The mod "Beautiful Bridge Railway" has a variable outside of the global table which it modifies in its control scripts - that is a common cause of desyncs.

We tried removing Beautiful Bridge Railway.

Desynchronization is still happening. Even after removing "Orbital Ion Cannon", "Pipelayer ...

Posted the link to the report

Today I turn to you with a problem of desynchronization.
We have already tried many things in our field of understanding. New mods that we installed have been thrown out, old saved games with hours of intervals have been tried and the games have been reinstalled.
At certain points I and another ...