FITSIO Error Status Codes

Status codes in the range -99 to -999  and 1 to 999 are reserved for future
FITSIO use.

  0  OK, no error
101  illegal logical unit number; must be between 1 - 199, inclusive
102  too many FITS files open at once; all internal buffers full
103  unable to find requested file to open; does it exist?
104  error opening existing file
105  error creating new FITS file; (does a file with this name already exist?)
106  error writing record to FITS file
107  end-of-file encountered while reading record from FITS file
108  error reading record from file
109  FITS record blocking factor out of range; must be between 1-2880
110  error closing FITS file
111  too many fields in table; internal array dimensions too small
112  Cannot modify file with readonly access
113  Version of FITSIO is incompatible with computer it is running on
114  All available I/O unit numbers have already been allocated (by ftgiou)

201  header not empty; can't write required keywords
202  specified keyword name was not found in the header
203  specified header record number is out of bounds
204  keyword value field is blank
205  keyword value string is missing the closing quote character
206  error while appending sequence number to keyword root name
207  illegal character in keyword name or header record
208  keyword does not have expected name. Keyword out of sequence?
209  keyword does not have expected integer value
210  could not find the required END header keyword
211  illegal BITPIX keyword value
212  illegal NAXIS keyword value
213  illegal NAXISn keyword value: must be 0 or positive integer
214  illegal PCOUNT keyword value
215  illegal GCOUNT keyword value
216  illegal TFIELDS keyword value
217  illegal ASCII or binary table width value (NAXIS1)
218  illegal number of rows in ASCII or binary table (NAXIS2)
219  column name (TTYPE keyword) not found
220  illegal SIMPLE keyword value
221  could not find the required SIMPLE header keyword
222  could not find the required BITPIX header keyword
223  could not find the required NAXIS header keyword
224  could not find all the required NAXISn keywords in the header
225  could not find the required XTENSION header keyword
226  the CHDU is not an ASCII table extension
227  the CHDU is not a binary table extension
228  could not find the required PCOUNT header keyword
229  could not find the required GCOUNT header keyword
230  could not find the required TFIELDS header keyword
231  could not find all the required TBCOLn keywords in the header
232  could not find all the required TFORMn keywords in the header
233  the CHDU is not an IMAGE extension
234  illegal TBCOL keyword value; out of range
235  this operation only allowed for ASCII or BINARY table extension
236  column is too wide to fit within the specified width of the ASCII table
237  the specified column name template matched more than one column name
241  binary table row width is not equal to the sum of the field widths
251  unrecognizable type of FITS extension
252  unrecognizable FITS record
253  END keyword contains non-blank characters in columns 9-80
254  Header fill area contains non-blank characters
255  Data fill area contains non-blank on non-zero values
261  unable to parse the TFORM keyword value string
262  unrecognizable TFORM datatype code
263  illegal TDIMn keyword value

301  illegal HDU number; less than 1 or greater than internal buffer size
302  column number out of range (1 - 999)
303  must define data unit structure before attempting this operation
304  attempt to move to negative file record number
305  cannot move directly to specified HDU: unknown starting location
306  attempted to read or write a negative number of bytes in the FITS file
307  illegal starting row number for table read or write operation
308  illegal starting element number for table read or write operation
309  attempted to read or write character string in non-character table column
310  attempted to read or write logical value in non-logical table column
311  illegal ASCII table TFORM format code for attempted operation
312  illegal binary table TFORM format code for attempted operation
313  error while converting value to formatted character string
314  value for undefined pixels has not been defined
315  error during internal read of character string into integer or real value
316  illegal value in logical value column of the binary table
317  attempted to read or write descriptor in a non-descriptor field
318  attempted to read data from a zero length variable length array
319  attempted to read or write past end of variable length array
320  number of array dimensions out of range
321  first pixel number is greater than the last pixel number
322  attempt to set BSCALE or TSCALn scaling parameter = 0
323  illegal axis length less than 1

401  error attempting to convert an integer to a formatted character string
402  error attempting to convert a real value to a formatted character string
403  cannot convert a quoted string keyword to an integer
404  attempted to read a non-logical keyword value as a logical value
405  cannot convert a quoted string keyword to a real value
406  cannot convert a quoted string keyword to a double precision value
407  error attempting to read character string as an integer
408  error attempting to read character string as a real value
409  error attempting to read character string as a double precision value
411  illegal number of decimal places while formatting floating point value
412  numerical overflow during implicit datatype conversion

501  celestial angle too large for projection
502  bad celestial coordinate or pixel value
503  error in celestial coordinate calculation
504  unsupported type of celestial projection
505  required celestial coordinate keywords not found