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MM_hasUidField is obsolete and can be removed.
The TCA migration, which is performed during TCA warmup, will automatically remove this 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 the fields
fieldname is used.