Hydra Error 153 ISAM error: not in ISMANULOCK mode.

In this blog post, let’s learn about the error message “153 ISAM error: not in ISMANULOCK mode.” in Hydra and the description of the error.

Error Message

153 ISAM error: not in ISMANULOCK mode.

Error Details

This internal error occurs when the leading byte in a VARCHAR column on disk indicates a VARCHAR length greater than the column was defined to hold when the column was created.
If the error recurs, refer to the information on trapping errors in your Administrator’s Guide. To acquire additional diagnostics, contact Informix Technical Support with the diagnostic information.