Deprecation: #101554 - Obsolete TCA MM_hasUidField¶
MM relations in TCA, the field
has been obsoleted: A
uid column is only needed when
is set to true - when a record is allowed to be selected multiple times in
a relation. In this case, the
uid field is added automatically by the
The TCA configuration option
MM_hasUidField is obsolete and can be removed.
TcaMigration performed during TCA warmup will automatically remove the
option and creates according log entries if needed.
Instances with extensions using MM relations may be affected.
Remove all occurrences of php:
MM_hasUidField from TCA. The
is added as primary key automatically if
multiple = true is set, otherwise
a combined primary key of fields
fieldname is used.