Database inserting data into table error

[Error code:1452, SQL state:23000] Cannot add or update a child row:a FOREIGN KEY constraint fails (' Workflow '. ' Act_id_membership ', constraint ' act_fk_memb_ USER ' FOREIGN KEY (' user_id_ ') REFERENCES ' act_id_user ' (' id_ '))

Sql:insert into Act_id_membership (user_id_, group_id_) VALUES (' admin ', ' 1 ');

The awareness of this error message is: Constraint constraint foreign KEY constraint causes insert failure

Act_id_membership User_id_ is not found in Act_id_user id_, so we should first insert the Act_id_user data to meet the conditions.

Database inserting data into table error