Error 1553: Cannot drop index needed in a foreign key constraint

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Error Code	SQLSTATE	Error	Description
1553	HY000	ER_DROP_INDEX_FK	Cannot drop index '%s': needed in a foreign key constraint

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↑ MariaDB Error Codes 1500 to 1599 ↑
Error 1500: It is only possible to mix RANGE/LIST partitioning with HASH/KEY partitioning for subpartitioning
Error 1501: Failed to create specific handler file
Error 1502: A BLOB field is not allowed in partition function
Error 1503: must include all columns in the table's partitioning function
Error 1504: Number of = 0 is not an allowed value
Error 1505: Partition management on a not partitioned table is not possible
Error 1506: Foreign key clause is not yet supported in conjunction with partitioning
Error 1507: Error in list of partitions to
Error 1508: Cannot remove all partitions, use DROP TABLE instead
Error 1509: COALESCE PARTITION can only be used on HASH/KEY partitions
Error 1510: REORGANIZE PARTITION can only be used to reorganize partitions not to change their numbers
Error 1511: REORGANIZE PARTITION without parameters can only be used on auto-partitioned tables using HASH PARTITIONs
Error 1512: PARTITION can only be used on RANGE/LIST partitions
Error 1513: Trying to Add partition(s) with wrong number of subpartitions
Error 1514: At least one partition must be added
Error 1515: At least one partition must be coalesced
Error 1516: More partitions to reorganize than there are partitions
Error 1517: Duplicate partition name
Error 1518: It is not allowed to shut off binlog on this command
Error 1519: When reorganizing a set of partitions they must be in consecutive order
Error 1520: Reorganize of range partitions cannot change total ranges except for last partition where it can extend the range
Error 1521: Partition function not supported in this version for this handler
Error 1522: Partition state cannot be defined from CREATE/ALTER TABLE
Error 1523: The handler only supports 32 bit integers in VALUES
Error 1524: Plugin is not loaded
Error 1525: Incorrect value
Error 1526: Table has no partition for value
Error 1527: It is not allowed to specify more than once
Error 1528: Failed to create
Error 1529: Failed to drop
Error 1530: The handler doesn't support autoextend of tablespaces
Error 1531: A size parameter was incorrectly specified, either number or on the form 10M
Error 1532: The size number was correct but we don't allow the digit part to be more than 2 billion
Error 1533: Failed to alter
Error 1534: Writing one row to the row-based binary log failed
Error 1535: Table definition on master and slave does not match
Error 1536: Slave running with --log-slave-updates must use row-based binary logging to be able to replicate row-based binary log events
Error 1537: Event already exists
Error 1538: Failed to store event. Error code from storage engine.
Error 1539: Unknown event
Error 1540: Failed to alter event
Error 1541: Failed to drop
Error 1542: INTERVAL is either not positive or too big
Error 1543: ENDS is either invalid or before STARTS
Error 1544: Event execution time is in the past. Event has been disabled
Error 1545: Failed to open mysql.event
Error 1546: No datetime expression provided
Error 1547: Column count is wrong. Expected found. The table is probably corrupted
Error 1548: Cannot load from mysql. The table is probably corrupted
Error 1549: Failed to delete the event from mysql.event
Error 1550: Error during compilation of event's body
Error 1551: Same old and new event name
Error 1552: Data for column too long
Error 1553: Cannot drop index needed in a foreign key constraint
Error 1554: The syntax is deprecated and will be removed in MariaDB
Error 1555: You can't write-lock a log table. Only read access is possible
Error 1556: You can't use locks with log tables
Error 1557: Upholding foreign key constraints for table, entry, key would lead to a duplicate entry
Error 1558: Column count is wrong. Expected found. Created with MariaDB now running. Please use mysql_upgrade to fix this error.
Error 1559: Cannot switch out of the row-based binary log format when the session has open temporary tables
Error 1560: Cannot change the binary logging format inside a stored function or trigger
Error 1561: You should never see it
Error 1562: Cannot create temporary table with partitions
Error 1563: Partition constant is out of partition function domain
Error 1564: This partition function is not allowed
Error 1565: Error in DDL log
Error 1566: Not allowed to use NULL value in VALUES LESS THAN
Error 1567: Incorrect partition name
Error 1568: Transaction isolation level can't be changed while a transaction is in progress
Error 1569: ALTER TABLE causes auto_increment resequencing, resulting in duplicate entry for key
Error 1570: Internal scheduler error
Error 1571: Error during starting/stopping of the scheduler
Error 1572: Engine cannot be used in partitioned tables
Error 1573: Cannot activate log
Error 1574: The server was not built with row-based replication
Error 1575: Decoding of base64 string failed
Error 1576: Recursion of EVENT DDL statements is forbidden when body is present
Error 1577: Cannot proceed because system tables used by Event Scheduler were found damaged at server start
Error 1578: Only integers allowed as number here
Error 1579: This storage engine cannot be used for log tables
Error 1580: You cannot '%s' a log table if logging is enabled
Error 1581: Cannot rename. When logging enabled, rename to/from log table must rename two tables
Error 1582: Incorrect parameter count in the call to native function
Error 1583: Incorrect parameters in the call to native function
Error 1584: Incorrect parameters in the call to stored function
Error 1585: This function has the same name as a native function
Error 1586: Duplicate entry for key
Error 1587: Too many files opened, please execute the command again
Error 1588: Event execution time is in the past and ON COMPLETION NOT PRESERVE is set
Error 1589: Event execution time is in the past and ON COMPLETION NOT PRESERVE is set
Error 1590: The incident occured on the master
Error 1591: Table has no partition for some existing values
Error 1592: Unsafe statement written to the binary log using statement format since BINLOG_FORMAT = STATEMENT
Error 1593: Fatal error
Error 1594: Relay log read failure
Error 1595: Relay log write failure
Error 1596: Failed to create
Error 1597: Master command failed
Error 1598: Binary logging not possible
Error 1599: View has no creation context

Error 1553: Cannot drop index needed in a foreign key constraint

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