3661011 - Property has invalid value error due to appended blank space

SSAM sync failure is occurring and in the Gateway Error logs (/IWFND/ERROR_LOG) following error is captured:

In the context of Data Services an unknown internal server error occurred

and

ERROR_INFO: Property 'xxxxx' has invalid value 'xxx '

and 

Error occurred while processing property 'xxx' of entity no. 1

SAP Service and Asset Manager

Error occurred while processing property, Property, invalid value, Property has invalid value, SYCLO, /SYCLO/CONFIGPANEL, blank, space, /IWFND/ERROR_LOG, ERROR_LOG, Property List, Entity Type, MaxLength, SSAM, signed numbers, SAP Service and Asset Manager , KBA , MOB-APP-SAM , SAP Service and Asset Manager , MOB-APP-MAO , Mobile Application Integration Framework , Problem