diff -U3 /Users/admin/pgsql/src/test/regress/expected/copy2.out /Users/admin/pgsql/build/testrun/pg_upgrade/002_pg_upgrade/data/results/copy2.out
--- /Users/admin/pgsql/src/test/regress/expected/copy2.out	2024-10-27 18:42:33
+++ /Users/admin/pgsql/build/testrun/pg_upgrade/002_pg_upgrade/data/results/copy2.out	2024-10-27 18:44:33
@@ -139,7 +139,7 @@
 LINE 1: COPY x from stdin (log_verbosity unsupported);
                            ^
 COPY x from stdin with (reject_limit 1);
-ERROR:  COPY REJECT_LIMIT requires ON_ERROR to be set to IGNORE
+ERROR:  COPY REJECT_LIMIT requires ON_ERROR to be set to IGNORE or SET_TO_NULL
 COPY x from stdin with (on_error ignore, reject_limit 0);
 ERROR:  REJECT_LIMIT (0) must be greater than zero
 -- too many columns in column list: should fail