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How to fix "A required file is missing or corrupt" errors

If you see an error message when accessing your MIDAS booking system that "A required file is missing or corrupt", this indicates that MIDAS was unable to read a core settings file which is required in order for the software to function correctly.

The file in question will be the main settings file (named "midas.dat") which should be located on your server at the location where you originally installed your MIDAS booking system.

If you're seeing this error message immediately following a software update to v4.22 (or later) from a version earlier than v4.22, and there is no file named "midas.dat" within your installation, this indicates that your server was unable to create this file when updating to v4.22+ (most likely due to inadequate file/folder permissions). The midas.dat file is new for v4.22, and supersedes the previous "midasglobal.dat" settings file. If this is the case, then in order to resolve, you'll need to contact our support team via email and attach your existing midasglobal.dat settings file. Our support team will be able to generate a new "midas.dat" file for you which will resolve your issue.

If, however, you encounter this error message and you haven't recently updated your MIDAS software then it may be that you've inadvertently deleted this important file, or it has become corrupt. In this case, you can either restore this file from your own recent server backups, or alternatively contact our support team via email, attaching the most recent .tar file within the "BKUPS" directory of your MIDAS installation. Our support team will be able to extract the last know "good" copy of your "midas.dat" file for you which will resolve your issue.

If you're still experiencing this issue having followed the above advice, please contact our support team who will be happy to assist further.this file is missing

MIDAS » KB » Support » Article 00204

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