2346877 - Automated backups scheduled through Job Scheduler are not working - SAP Business Suite on SAP ASE

• Repeating messages as shown below in the ASE errorlog:

kernel  Environment variable SYBASE_ASE is not set for dataserver. Spawning an agent needs SYBASE_ASE to be set. Failed to spawn the agent
kernel  Job Scheduler Task state set to stop
kernel  Job Scheduler Task was not stopped by a Task shutdown request
kernel  Restarting Job Scheduler. 2 restart attempts left. Successful restart attempts so far 0.
kernel  Initializing Job Scheduler Task
kernel  Installed Job Scheduler sequencer code version 0.29 - 29 tokens
kernel  Job Scheduler Agent errorlog : D:\sybase\<SID>\ASE-16_0\install\<SID>_JSAGENT.log

•  Manual backups from isql are working fine but scheduled backups are not working. 

• SAP Adaptive Server Enterprise (ASE) 15.7 for Business Suite
• SAP Adaptive Server Enterprise (ASE) 16.0 for Business Suite
• SAP NetWeaver (NW) - All versions 
• SAP Adaptive Server Enterprise (ASE) 15.7
• SAP Adaptive Server Enterprise (ASE) 16.0

Environment variable SYBASE_ASE ATM transaction log dumps $SYBASE_ASE , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , BC-SYB-ASE , Sybase ASE Database Platform (non Business Suite) , How To