2539264 - SQL8001N failed due to a product license problem.

Issue can occur on any Database version.  The following example is for 9.7 
Error can be seen in the db2diag.log or a short dump output on the SAP side (DBSQL_SQL_ERROR)

From the db2diag.log
===================

• 2017-09-21-12.51.40.872000+330 E353419215F779 LEVEL: Error

  PID : 5524  : 8104 PROC : db2syscs.exe

  INSTANCE: DB2*** NODE : 000

  EDUID : 8104

  FUNCTION: DB2 UDB, license manager, sqllcRequestAccess, probe:2

  MESSAGE : ADM12008C The product "DB2 Advanced Enterprise Server Edition" does

  not have a valid license key installed and the evaluation period has

  expired. Functions specific to this product are not enabled. If you

  have licensed this product, please ensure the license key is properly

  installed. You can install the license via using License Center or

  db2licm command line utility. The license file can be obtained from

  your licensed product CD.

• 2017-09-21-12.51.40.966000+330 I353419996F493 LEVEL: Error

  PID : 0000  : 0000 PROC : db2syscs.exe

  INSTANCE: DB2*** NODE : 000

  EDUID : 8104

  FUNCTION: DB2 UDB, license manager, sqllcRequestAccess, probe:2

  MESSAGE : SQL8008N The product "DB2 Advanced Enterprise Server Edition" does

  not have a valid license key installed and the evaluation period has

  expired. Functions specific to this product are not enabled.

  =========================================

Db2 LUW=> 9.1 and above

License, Expired, DB2 Advanced Enterprise Server Edition, Db2aese, ADM12024E, db2aese_c.lic, db2licm, 9.8, 10.1, 10.5, 11.1 , KBA , BC-DB-DB6 , DB2 Universal Database for Unix / NT , Problem