2100617 - Errors 10330, 17509, 18033, 18806 due to threshold ownership - SAP ASE

Ownership inconsistencies for ASE database thresholds may result in any of various errors including:

• If the threshold owner does not have permission to execute the threshold procedure:
  
  Error: 10330, Severity: 14, State: 1
  EXECUTE permission denied on object sp_thresholdaction, database sybsystemprocs, owner dbo
  Threshold procedure 'sp_thresholdaction' returned an error indication (@status=-4) when called for database 'mydb', segment 'logsegment', free_space 4611686018427393024.
   
• When attempting to remove a login from ASE when that login owns a database threshold:
  
  Msg 17509, Level 16, State 1:
  Server 'SYBASE', Procedure 'sp_droplogin', Line 146:
  User exists or is an alias or is a database owner in at least one database. Drop the user or the alias, or change the database ownership before dropping the login.
   
• When attempting to remove a user from a given database when that user owns a database threshold:
  
  Msg 18033, Level 16, State 1:
  Server 'SYBASE', Procedure 'sp_dropuser', Line 354:
  You cannot drop user because user 'myuser' owns thresholds in database.
  Segment name Free pages
  ------------------------------ -----------
  logsegment 15016
   
• When attempting to remove a user alias from a given database when that alias owns a database threshold:
  
  Msg 18806, Level 16, State 1:
  Server 'SYBASE', Procedure 'sp_dropalias', Line 183:
  You cannot drop the alias for login 'myuser' because 'myuser' owns thresholds in the database.
  Segment name Free pages
  ------------------------------ -----------
  logsegment 261136

SAP Adaptive Server Enterprise (ASE) all versions

systhresholds,  sp_modifythreshold , KBA , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , Problem