[rules-users] org.drools.runtime.rule.ConsequenceException: [Error: unable to access property (null parent): add] [Near : {... Unknown ....}] ^ [Line: 1, Column: 0]

[Ashish Soni]

Hi ,

Can some-one please tell What does this error means.

org.drools.runtime.rule.ConsequenceException: [Error: unable to access
property (null parent): add] [Near : {... Unknown ....}]              ^
[Line: 1, Column: 0]

Regards,
Ashish
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