Rockwell Automation 9323-S5500D A.I. SERIES MICROLOGIX 1000 AND PLC-500 SOFTW - Manual (Page 514)

Error Codes
B-xiii
82. Cannot make directory entry
Failed to add a name and other file/subdirectory information to a directory. This
may occur if you try to add too many files and subdirectories to the root directory,
or if you run out of disk space.
83. Fail on INT 24H
84. Too many redirections
85. Duplicate redirection
86. Invalid password
87. Invalid parameter
88. Network device fault