[FLINK-39346] Improve the error message when the AddColumnEvent fails #2326

Job	Run time
License Check	4m 39s
Pipeline Connectors Unit Tests 2.x / test (11, 2.2.0, doris, elasticsearch, fluss, iceberg, kafka, maxcompute, mysql-pipeline, oceanba...	1h 2m 2s
Pipeline Unit Tests / test (11, generic, doris, elasticsearch, fluss, hudi, iceberg, kafka, maxcompute, mysql-pipeline,...	1h 2m 34s
Common Unit Tests 2.x / test (11, 2.2.0, core)	13m 19s
Common Unit Tests / test (11, generic, core)	13m 43s
Source Unit Tests / test (11, generic, mysql-source)	46m 27s
Source Unit Tests / test (11, generic, db2, mongodb)	44m 5s
Source Unit Tests / test (11, generic, postgres-source, oceanbase-source, tidb, vitess)	37m 7s
Source Unit Tests / test (11, generic, oracle, sqlserver)	49m 2s
Source E2E Tests / test (11, 1.20.3, source_e2e)	21m 4s
Source Unit Tests 2.x / test (11, 2.2.0, mysql-source)	40m 59s
Source Unit Tests 2.x / test (11, 2.2.0, postgres-source, oceanbase-source, tidb, vitess)	24m 6s
Source Unit Tests 2.x / test (11, 2.2.0, oracle, sqlserver)	1h 32m 1s
Source Unit Tests 2.x / test (11, 2.2.0, db2, mongodb)	34m 32s
Pipeline E2E Tests (4-Parallelism) / test (11, 1.20.3, pipeline_e2e)	1h 21m 13s
Pipeline E2E Tests 2.x (1-Parallelism) / test (11, 2.2.0, pipeline_e2e)	1h 0m 58s
Pipeline E2E Tests (1-Parallelism) / test (11, 1.20.3, pipeline_e2e)	1h 20m 53s
Pipeline E2E Tests 2.x (4-Parallelism) / test (11, 2.2.0, pipeline_e2e)	57m 21s
	13h 46m 5s

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