When  trying to startup [nomount] an instance in 12.2.0.1.0 from sqlplus by using a pfile, (startup nomount pfile=’my_pfile’)
the following messages are displayed:

ORA-39510: CRS error performing start on instance ‘TESTDB’ on ‘TESTDB_UNQUE”
clsr_start_resource2:150 clscrs_entity_type_id_create() error, rc = 12
clsr_start_resource2:900 exit status:200
clsr_start_resource:260 status:200
clsrapi_start_db:start_asmdbs status:200

Wrong parameter name caused ORA-39510:

In pfile, the parameter db_unique_name was defined as below caused the problem:

*.db_unique_name=’TESTDB_UNQUE

The correct value should be:

*.db_unique_name=’TESTDB_UNQUE’
Missing Quote in the database unique name is causing the issue.
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