AWR on CDB

Trying to run AWR on a 19.16 database on Solaris Sparc 64, and getting this:

Enter value for report_name:

Using the report name awrrpt_1_11108_11114.html

ERROR:

ORA-20028: Container DB Id 1091257298 was not continuously open during the given snapshot range (11108, 11114).

ORA-06512: at "SYS.DBMS_SWRF_REPORT_INTERNAL", line 13127

ORA-06512: at "SYS.DBMS_SWRF_REPORT_INTERNAL", line 3138

ORA-06512: at "SYS.DBMS_WORKLOAD_REPOSITORY", line 1332

ORA-06512: at line 1

Report written to awrrpt_1_11108_11114.html

SQL>

It stes that a container was not continuously open, but all of the containers were. No matter what delta I chose, he always says the same. No other error is present, just this one for AWRRPT.sql