Input/Output Errors

The number and text of each input-output error message is given below, with the context in which it could occur and an explanation of the fault which has occurred. If the input-output statement includes an IOSTAT=STAT specifier, then an occurrence of any of the errors that follow will cause the STAT variable to become defined with the corresponding error number.

Error	Message	Where Occurring	Description
117	Unit not connected	OPEN	An attempt was made to read or write to a closed unit.
118	File already connected	OPEN	An attempt was made to OPEN a file on one unit while it was still connected to another.
119	ACCESS conflict	OPEN, Positional, READ, WRITE	When a file is to be connected to a unit to which it is already connected, then only the BLANK, DELIM, ERR, IOSTAT and PAD specifiers may be redefined. An attempt has been made to redefine the ACCESS specifier. This message is also used if an attempt is made to use a direct-access I/O statement on a unit which is connected for sequential I/O or a sequential I/O statement on a unit connected for direct access I/O.
120	RECL conflict	OPEN	When a file is to be connected to a unit to which it is already connected, then only the BLANK, DELIM, ERR, IOSTAT and PAD specifiers may be redefined. An attempt has been made to redefine the RECL specifier.
121	FORM conflict	OPEN	When a file is to be connected to a unit to which it is already connected, then only the BLANK, DELIM, ERR, IOSTAT and PAD specifiers may be redefined. An attempt has been made to redefine the FORM specifier.
122	STATUS conflict	OPEN	When a file is to be connected to a unit to which it is already connected, then only the BLANK, DELIM, ERR, IOSTAT and PAD specifier may be redefined. An attempt has been made to redefine the STATUS specifier.
123	Invalid STATUS	CLOSE	STATUS=DELETE has been specified in a CLOSE statement for a unit which has no write permissions; for example, the unit has been opened with the READONLY specifier.
125	Specifier not recognized	OPEN	A specifier value defined by the user has not been recognized.
126	Specifiers inconsistent	OPEN	Within an OPEN statement one of the following invalid combinations of specifiers was defined by the user: ACCESS=DIRECT was specified when STATUS=APPEND BLANK=FORMATTED was specified when FORM= UNFORMATTED
127	Invalid RECL value	OPEN, DEFINE FILE	The value of the RECL specifier was not a positive integer.
128	Invalid filename	INQUIRE	The name of the file in an Inquire by file statement is not a valid filename.
129	No filename specified	OPEN	In an OPEN statement, the STATUS specifier was not SCRATCH or UNKNOWN and no filename was defined.
130	Record length not specified	OPEN	The RECL specifier was not defined although ACCESS=DIRECT was specified.
131	An equals expected	Namelist READ	A variable name, array element or character substring reference in the input was not followed by an `='.
132	Value separator missing	List-Directed READ, Namelist READ	A complex or literal constant in the input stream was not terminated by a delimiter (that is, by a space, a comma or a record boundary).
133	Value separator expected	Namelist READ	A subscript value in a character substring or array element reference in the input was not followed by a comma or close bracket.
134	Invalid scaling	WRITE with FORMAT	If d represents the decimal field of a format descriptor and k represents the current scale factor, then the ANSI Standard requires that the relationship -d<k<d+2 is true when an E or D format code is used with a WRITE statement. This requirement has been violated.
135	Invalid logical value	Formatted READ	A logical value in the input stream was syntactically incorrect.
136	Invalid character value	Namelist READ	A character constant does not begin with a quote character.
137	Value not recognized	List-Directed READ, Namelist READ	An item in the input stream was not recognized.
138	Invalid repetition value	List-Directed READ, Namelist READ	The value of a repetition factor found in the input stream is not a positive integer constant.
139	Illegal repetition factor	List-Directed READ, Namelist READ	A repetition factor in the input stream was immediately followed by another repetition factor.
140	Invalid integer	Formatted READ	The current input field contained a real number when an integer was expected.
141	Invalid real	Formatted READ	The current input field contained a real number which was syntactically incorrect.
143	Invalid complex constant	List-Directed READ, Namelist READ	The current input field contained a complex number which was syntactically incorrect.
144	Invalid subscript	Namelist READ	A subscript value in an array element reference in the input was not a valid integer.
145	Invalid substring	Namelist READ	A subscript value in a character substring reference was not a valid integer or was not positive.
146	Variable not in Namelist	Namelist READ	The data contained an assignment to a variable which is not in the NAMELIST list.
147	Variable not an array	Namelist READ	A variable name in the data was followed by an open bracket but the name is not an array or character variable.
148	Invalid character	Formatted READ	A character has been found in the current input stream which cannot syntactically be part of the entity being assembled.
149	Invalid Namelist input	Namelist READ	The first character of a record read by a Namelist READstatement was not a space.
150	Literal not terminated	List-Directed READ, Namelist READ	A literal constant in the input file was not terminated by a closing quote before the end of the file.
151	A variable name expected	Namelist READ	A list of array or array element values in the data contained too many values for the associated variable.
152	File does not exist	OPEN	An attempt has been made to open a file which does not exist with STATUS=OLD.
153	Input file ended	READ	All the data in the associated internal or external file has been read.
154	Wrong length record	READ, WRITE	The record length as defined by a FORMAT statement, or implied by an unformatted READ or WRITE, exceeds the defined maximum for the current input or output file.
155	Incompatible format descriptor	READ/WRITE with FORMAT	A format description was found to be incompatible with the corresponding item in the I-O list.
156	READ after WRITE	READ	An attempt has been made to read a record from a sequential file after a WRITE statement.
158	Record number out of range	Direct Access READ/WRITE, FIND	The record number in a direct-access I-O statement is not a positive value, or, when reading, is beyond the end of the file.
159	No format descriptor for data item	READ/WRITE with FORMAT	No corresponding format code exists in a FORMAT statement for an item in the I-O list of a READ or WRITE statement.
160	READ after Endfile	READ	An attempt has been made to read a record from a sequential file which is positioned at ENDFILE.
161	WRITE operation failed	WRITE	After repeated retries WRITE(2) could not successfully complete an output operation. This may occur if a signal to be caught interrupts output to a slow device
162	No WRITE permission	WRITE	An attempt has been made to write to a file which is defined for input only.
163	Unit not defined or connected	FIND	The unit specified by a FIND statement is not open. The unit should first be defined by a DEFINE FILE statement, or should be connected by some other means.
164	Invalid channel number	Any I-O Operation	The unit specified in an I/O statement is a negative value.
166	Unit already connected	DEFINE FILE	The unit specified in a DEFINE FILE statement is already open.
167	Unit already defined	DEFINE FILE, OPEN	The same unit has already been specified by a previous DEFINE FILE statement.
168	File already exists	OPEN	An attempt has been made to OPEN an existing file with STATUS=NEW.
169	Output file capacity exceeded	READ, WRITE	An attempt has been made to write to an internal or external file beyond its maximum capacity.
171	Invalid operation on file	Positional, READ, WRITE	An I/O request was not consistent with the file definition; for example, attempting a BACKSPACE on a unit that is connected to the screen.
172	various	READ, WRITE	An unexpected error was returned by READ2 - the error text will be the NT* message associated with the failure.
173	various	READ, WRITE	An unexpected error was returned by WRITE- the error text will be the LINUX* message associated with the failure.
174	various	READ, WRITE	An unexpected error was returned by LSEEK - the error text will be the LINUX message associated with the failure.
175	various	OPEN, CLOSE	An unexpected error was returned by UNLINK - the error text will be the LINUX message associated with the failure.
176	various	OPEN, CLOSE	An unexpected error was returned by CLOSE- the error text will be the LINUX message associated with the failure.
177	various	OPEN	An unexpected error was returned by CREAT - the error text will be the LINUX message associated with the failure.
178	various	OPEN	An unexpected error was returned by OPEN- the error text will be the LINUX message associated with the failure.
181	Substring out of range	Namelist READ	A character substring reference in the input data lay beyond the bounds of the character variable.
182	Invalid variable name	Namelist READ	A name in the data was not a valid variable name.
185	Too many values	Namelist READ specified	A repetition factor (of the form r*c) exceeded the number of elements remaining unassigned in either an array or array element reference.
186	Not enough subscripts	Namelist READ specified	An array element reference contained fewer subscripts than are associated with the array.
187	Too many subscripts	Namelist READ specified	An array element reference contained more subscripts than are associated with the array.
188	Value out of range	Formatted READ	During numeric conversion from character to binary form a value in the input record was outside the range associated with the corresponding I-O item.
190	File not suitable	OPEN	A file which can only support sequential file operations has been opened for direct access I-O.
191	Workspace exhausted	OPEN	Workspace for internal tables has been exhausted.
192	Record too long	READ	The length of the current record is greater than that permitted for the file as defined by the RECL= specifier in the OPEN statement
193	Not connected for unformatted I-O	Unformatted READ/WRITE	An attempt has been made to access a formatted file with an unformatted I-O statement.
194	Not connected for formatted I-O	Formatted READ/WRITE	An attempt has been made to access an unformatted file with a formatted I-O statement.
195	Backspace not permitted	BACKSPACE	An attempt was made to BACKSPACE a file which contains records written by a list-directed output statement; this is prohibited by the ANSI Standard.
199	Field too large	List-Directed READ, Namelist READ	An item in the input stream was found to be more than 1024 characters long (this does not apply to literal constants).
203	POSITION conflict	OPEN	When a file is to be connected to a unit to which it is already connected, then only the BLANK, DELIM, ERR, IOSTAT and PAD specifiers may be redefined. An attempt has been made to redefine the POSITION specifier.
204	ACTION conflict	OPEN	When a file is to be connected to a unit to which it is already connected, then only the BLANK, DELIM, ERR, IOSTAT and PAD specifiers may be redefined. An attempt has been made to redefine the ACTION specifier.
205	No read permission	READ	An attempt has been made to READ from a unit which was OPENed with ACTION="WRITE".
206	Zero stride invalid	Namelist READ	An array subsection reference cannot have a stride of zero.
208	Incorrect array triplet syntax	Namelist READ	An array subsection triplet has been input incorrectly.
209	Name not a derived type	Namelist READ	A name in the data which is not a derived type has been followed by a `%'.
210	Invalid component name	Namelist READ	A derived type reference has not been followed by an `='.
211	Component name expected	Namelist READ	A `%' must be followed by a component name in a derived type reference.
212	Name not in derived type	Namelist READ	A component is not in this derived type.
213	Only one component may be array-valued	Namelist READ	In a derived-type reference, only the derived type or one of its components may be an array or an array subsection.
214	Object not allocated	READ/WRITE	An item has been used which is either an unallocated allocatable array or a pointer which has been disassociated.

Little-Big Endian Conversion Errors

Error	Message	Where Occurring	Description
215	Conversion of derived data types is disabled	READ/WRITE	Conversion of derived data types is disabled if READ/WRITE statement refers to derived data type. Fatal error.
216	!Internal Error! Unknown data size	READ/WRITE	Unknown data size. Fatal error. Contact Intel.
217	!Internal Error! Conversion buffer too small	READ/WRITE	Conversion buffer too small. Fatal error. Contact Intel.

Other Errors Reported by I/O statements

Errors 101-107 arise from faults in run-time formats:

Error	Message
101	Syntax error in format
102	Format is incomplete
103	A positive value is required here
104	Minimum number of digits exceeds width
105	Number of decimal places exceeds width
106	Format integer constants > 32767 are not supported
107	Invalid H edit descriptor

Notes

The I/O statements OPEN, CLOSE and INQUIRE are classified as Auxiliary I/O statements. The I/O statements REWIND, ENDFILE and BACKSPACE are classified as Positional I/O statements.
The IOSTAT = variable is set to -1 if an end-of-file condition occurs, to -2 if an end-of-record condition occurs (in a non-advancing READ), to the error number if one of the listed errors occurs, and to 0 if no error occurs.
Should no input/output specifier relating to the type of the occurring input/output error be given (END=, EOR=, ERR= or IOSTAT=, as appropriate), then the input/output error will terminate the user program. All units which are currently opened will be closed, and the appropriate error message will be output on Standard Error followed (if requested) by a postmortem report (see Runtime Diagnostics).
The form of an input/output error message is presented in the table below.

I/O Error nnn :	Text of message
In Procedure :	Procedure name
At Line :	Line number
Statement :	I/O statement type
Unit :	Unit identifier or Internal File
Connected To :	File name
Form :	Formatted, Unformatted or Print
Access :	Sequential or Direct
Nextrec :	Record number
Records Read :	Number of records input
Records Written :	Number of records output
Current I/O Buffer :	Snapshot of the current record with a pointer to the current position

Note
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