ST22 dumps with runtime error CONVT_NO_NUMBER

ST22 dumps with runtime error CONVT_NO_NUMBER

Symptom

ST22 Dumps getting generated with runtime error: CONVT_NO_NUMBER
Following is the detailed ST22 dump that was constantly getting generated:

Category ABAP Programming Error
Runtime Errors CONVT_NO_NUMBER
Except. CX_SY_CONVERSION_NO_NUMBER
ABAP Program CL_HDB_ALERT_COLLECTOR_E2E====CP
Application Component HAN-DB

Short Text "1 since local time: "  cannot be interpreted as a number.

What happened? 
 
Error in the ABAP Application Program. The current ABAP program "CL_HDB_ALERT_COLLECTOR_E2E====CP" had to be terminated because it has come across a statement that unfortunately cannot be executed.
 
Environment

SAP HANA Platform Edition 1.0

SAP HANA Platform Edition  2.0

Resolution

Apply 2211415 - SAP HANA alerting composite SAP Note


More details refer Snote 2669097