In this blog post, let’s learn about the error message “160 ISAM error: only one TEXT or BYTE field may be open at any time.” in Hydra and the description of the error.
Error Message
160 ISAM error: only one TEXT or BYTE field may be open at any time.
Error Details
You are attempting to use a collation sequence that is either not supported or does not match the sequence originally used to create the ISAM file. Use islanginfo() to determine the language of the ISAM file.