Can't open model getting model processor could not open current model

Description:

can't open Erwin model getting error similar to below error in postload window:

The message in the dialog will conform to the following:

A model processor could not be found to convert metamodel '{E7XXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}+00000000' from schema version 7.3.6.2. The current schema version is 7.3.8.2.

Solution:

The reason is the current Erwin version is older than the version that is used when this Erwin model was created. Please either upgrade ERwin to the most recent version or find the matching version which is used to create this model and install that