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  1. Moodle
  2. MDL-63774

Allow the ability to delete a cache definition without breaking upgrades

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    • MOODLE_34_STABLE, MOODLE_35_STABLE

      See MDL-57936.

      An example of where we remove a cache definition from core - https://github.com/moodle/moodle/commit/9470e4d1ed65fb1e9dfeaeb167aab10584cb50e1.

      The problem is a version bump is not enough to clear the cache file so you encounter the following error -

      Coding error detected, it must be fixed by a programmer: The data source class does not exist

      The current workaround from matteo is:

      Removing muc/ will reset the cache stores mapping to the default setting so that is the workaround, together w/ removing the cache/ folder to let MUC regenerate it according to the default setting.

            Unassigned Unassigned
            markn Mark Nelson
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              Created:
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              Resolved:

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