Last night we had 2 nodes disconnect from our cluster. The only error in the logs I could find was this. Can anyone tell me what it means?
2020-08-28 05:09:32 [ndbd] INFO -- /export/home2/pb2/build/sb_0-17731890-1453886244.09/rpm/BUILD/mysql-cluster-gpl-7.4.10/mysql-cluster-gpl-7.4.10/storage/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp
2020-08-28 05:09:32 [ndbd] INFO -- DBDIH (Line: 19350) 0x00000006
2020-08-28 05:09:32 [ndbd] INFO -- Error handler shutting down system
2020-08-28 05:09:32 [ndbd] INFO -- Error handler shutdown completed - exiting
2020-08-28 05:09:33 [ndbd] ALERT -- Node 8: Forced node shutdown completed. Caused by error 2341: 'Internal program error (failed ndbrequire)(Internal error, programming error or missing error message, please report a bug). Temporary error, restart node'.
2020-08-28 05:09:32 [ndbd] INFO -- /export/home2/pb2/build/sb_0-17731890-1453886244.09/rpm/BUILD/mysql-cluster-gpl-7.4.10/mysql-cluster-gpl-7.4.10/storage/ndb/src/kernel/blocks/dbdih/DbdihMain.cpp
2020-08-28 05:09:32 [ndbd] INFO -- DBDIH (Line: 19350) 0x00000006
2020-08-28 05:09:32 [ndbd] INFO -- Error handler shutting down system
2020-08-28 05:09:32 [ndbd] INFO -- Error handler shutdown completed - exiting
2020-08-28 05:09:33 [ndbd] ALERT -- Node 8: Forced node shutdown completed. Caused by error 2341: 'Internal program error (failed ndbrequire)(Internal error, programming error or missing error message, please report a bug). Temporary error, restart node'.