This topic applies on Tera staff that uses Perforce for the add-in source control.

It may happen that, during a day work, your add-ins fail to compile with various undeclared errors. The reason for this is that other programmers who were editing add-ins, submitted their changes that require new or changed functions of the client applications, and you performed the sync to the "head revision" of your add-ins.

The solution for this problem is to launch GN4 daily build, and update your workstation with all - client applications, configs and add-ins

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Testing compatibility of add-ins and GN4 applications