Please refer to the bug reported in repository: https://github.com/lightyear15/sol-protobug As explained in the README, it looks like it might be something related to the [``repeated int32``](https://github.com/lightyear15/sol-protobug/blob/88fa62ae14b768c5f1d634cdcce887354392ccfd/test.proto#L57) field.