DISK ERROR MESSAGES These error messages are returned through the DS and DS$ reserved variables. NUM. MESSAGE NUM. MESSAGE 01 <deleted> 71 DIRECTORY ERROR 02 - 72 DISK FULL 03 - 29 DISK ID MISMATCH 04 - 73 DOS MISMATCH 05 - 74 DRIVE NOT READY 06 - 63 FILE EXISTS 07 - 62 FILE NOT FOUND 08 - 61 FILE NOT OPEN 09 - 52 FILE TOO LARGE 10 - 64 FILE TYPE MISMATCH 11 - 67 ILLEGAL SYSTEM T OR S 12 - 66 ILLEGAL TRACK AND SECTOR 13 - 65 NO BLOCK 14 - 70 NO CHANNEL 15 - 51 OVERFLOW IN RECORD 16 - 20 READ ERROR 17 - 21 READ ERROR 18 - 22 READ ERROR 19 - 23 READ ERROR 20 READ ERROR 24 READ ERROR 21 READ ERROR 27 READ ERROR 22 READ ERROR 50 RECORD NOT PRESENT 23 READ ERROR 30 SYNTAX ERROR 24 READ ERROR 31 SYNTAX ERROR 25 WRITE ERROR 32 SYNTAX ERROR 26 WRITE PROTECT ON 33 SYNTAX ERROR 27 READ ERROR 34 SYNTAX ERROR 28 WRITE ERROR 39 SYNTAX ERROR 29 DISK ID MISMATCH 25 WRITE ERROR 30 SYNTAX ERROR 28 WRITE ERROR 31 SYNTAX ERROR 60 WRITE FILE OPEN 32 SYNTAX ERROR 26 WRITE PROTECT ON 33 SYNTAX ERROR 34 SYNTAX ERROR 35 - 36 - 37 - 38 - 39 SYNTAX ERROR 40 - 41 - 42 - 43 - 44 - 45 - 46 - 47 - 48 - 49 - 50 RECORD NOT PRESENT 51 OVERFLOW IN RECORD 52 FILE TOO LARGE 53 - 54 - 55 - 56 - 57 - 58 - 59 - 60 WRITE FILE OPEN 61 FILE NOT OPEN 62 FILE NOT FOUND 63 FILE EXISTS 64 FILE TYPE MISMATCH 65 NO BLOCK 66 ILLEGAL TRACK AND SECTOR 67 ILLEGAL SYSTEM T OR S 68 - 69 - 70 NO CHANNEL 71 DIRECTORY ERROR 72 DISK FULL 73 DOS MISMATCH 74 DRIVE NOT READY NOTES Error message numbers 02-19, 35-38, 40-49, 53-59, and 68-69 should be ignored. Message number 01 (<deleted>) gives information about the number of files deleted with the SCRATCH command.