XenForo Lock wait timeout exceeded

[BassMan]

When I try to change permissions for users or even if I try to create a new node I get this error:

Code:

Server Error

Mysqli statement execute error : Lock wait timeout exceeded; try restarting transaction

    Zend_Db_Statement_Mysqli->_execute() in Zend/Db/Statement.php at line 297
    Zend_Db_Statement->execute() in Zend/Db/Adapter/Abstract.php at line 479
    Zend_Db_Adapter_Abstract->query() in Zend/Db/Adapter/Abstract.php at line 632
    Zend_Db_Adapter_Abstract->update() in...

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