odoo15 Module operations are not possible at this time, please try again later or contact your syste

2022-06-28 07:35:06,267 8560 INFO shui005 odoo.addons.base.models.ir_module: User #2 triggered module installation 
2022-06-28 07:35:06,273 8560 ERROR shui005 odoo.sql_db: bad query: SELECT * FROM ir_cron FOR UPDATE NOWAIT
ERROR: could not obtain lock on row in relation "ir_cron"
 
2022-06-28 07:35:06,274 8560 ERROR shui005 odoo.sql_db: bad query: SELECT value FROM ir_translation
                       WHERE lang='zh_CN' AND type in ('code') AND src='Odoo is currently processing a scheduled action.
Module operations are not possible at this time, please try again later or contact your system administrator.' AND md5(src)=md5('Odoo is currently processing a scheduled action.
Module operations are not possible at this time, please try again later or contact your system administrator.')
ERROR: current transaction is aborted, commands ignored until end of transaction block
 
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