2729642 - Unable to publish promotion

When attempting to publish a promotion, a similar error to the one below is displayed on the backoffice:

The Rule Engine module hybris-rules:promotions:1.0.0.614 update failed with reason [RulesModule:hybris-rules:promotions:1.0.0.6141)
de/hybris/platform/droolsruleengineCOR_order_threshold_fixed_discount-00025005-00029007RuleMedia.drl line 48 : [ERR 102] Line 48:50 mismatched input 'OR' in query2)
de/hybris/platform/droolsruleengineCOR_order_threshold_fixed_discount-000250005-00029007RuleMedia.drl line 0 : Parser returned a null Package3) null line 0 : null].

Other related errors in the logs can be observed during startup or when attempting to publish promotions:

INFO | jvm 1 | main | 2018/09/12 19:41:26.205 | ERROR [Thread-101] [DefaultPlatformRuleEngineService] Kie Containers initialisation/swapping failed: RulesModule:hybris-rules:promotions:1.0.0.6151) de/hybris/platform/droolsruleengineCOR_order_threshold_fixed_discount-00025005-00029007RuleMedia.drl line 48 : [ERR 102] Line 48:50 mismatched input 'OR' in query
INFO | jvm 1 | main | 2018/09/12 19:41:26.205 | 2) de/hybris/platform/droolsruleengineCOR_order_threshold_fixed_discount-00025005-00029007RuleMedia.drl line 0 : Parser returned a null Package
INFO | jvm 1 | main | 2018/09/12 19:41:26.205 | 3) null line 0 : null
INFO | jvm 1 | main | 2018/09/12 19:41:26.205 |
...
INFO [Thread-474016] [ModuleSwapCompletedListener] Received event [RuleEngineModuleSwapCompletedEvent{rulesModuleName='hybris-rules:promotions:1.0.0.616', previousRulesModuleVersion='1.0.0.608', rulesModuleVersion='null', failed=true, failureReason='RulesModule:hybris-rules:promotions:1.0.0.6161) de/hybris/platform/droolsruleengineCOR_order_threshold_fixed_discount-00025005-00029007RuleMedia.drl line 48 : [ERR 102] Line 48:50 mismatched input 'OR' in query
INFO | jvm 1 | main | 2018/09/12 20:16:24.756 | 2) de/hybris/platform/droolsruleengineCOR_order_threshold_fixed_discount-00025005-00029007RuleMedia.drl line 0 : Parser returned a null Package

ERROR [ajp-bio-8010-exec-318] [10.16.126.46] [DefaultCommerceRuleEngineService] Rule evaluation failed with message 'Cannot complete the evaluation: rule engine was not initialized for releaseId [hybris-rules:promotions:1.0.0.608]' for facts: [de.hybris.platform.ruleengineservices.rao.DeliveryModeRAO@5213fa13, de.hybris.platform.ruleengineservices.rao.DeliveryModeRAO@dcc61dc5, de.hybris.platform.ruleengineservices.rao.CategoryRAO@f98a79f,
...
INFO | jvm 1 | main | 2018/09/13 19:16:51.666 |  de.hybris.platform.ruleengine.exception.DroolsInitializationException: Cannot complete the evaluation: rule engine was not initialized for releaseId [hybris-rules:promotions:1.0.0.608]

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This issue can be observed on any hybris version making use of the new promotion engine and any drools version.

SAP Hybris Commerce 1808 ; SAP Hybris Commerce 6.0 ; SAP Hybris Commerce 6.1 ; SAP Hybris Commerce 6.2 ; SAP Hybris Commerce 6.3 ; SAP Hybris Commerce 6.4 ; SAP Hybris Commerce 6.5 ; SAP Hybris Commerce 6.6 ; SAP Hybris Commerce 6.7

• hybris
• commerce
• kie
• droolsrule 

, KBA , CEC-SCC-COM-PRO-PE , Promotion Engine , Problem