2358800 - Search functionality not working in SOLDOC - An error occurred when executing a search

This KBA explains following issues in SAP Solution Manager 7.2:

1) The Search functionality is not working in Solution Documentation
2) You are not able to display process diagram

2.1) possible errors
nothing in the library
search scope is not valid
an error occurred when executing a search

SAP Solution Manager 7.2

solman 7.2, embedded search, suche, soldoc, funktion, process diagram, prozess, ZSMUD_ELEMENTS, AI_SMUD_UTIL392,  ESH_FED_MSG020, search, any results, keiine Ergebnisse, hana search, , KBA , SV-SMG-IMP , Implementation / Project and Process Management , Problem