[ https://issues.redhat.com/browse/DROOLS-3746?page=com.atlassian.jira.plug... ] Sergey Manukyan edited comment on DROOLS-3746 at 6/3/20 12:13 AM: ------------------------------------------------------------------ Had same issue, appeared next day suddenly, was using OSX, OpenJDK 1.8, the Decision Manager 7.7. on EAP 7.2 . Same issue on Chrome 83 & Firefox 68 {quote} 15:03:03,651 ERROR [org.kie.workbench.common.services.backend.logger.GenericErrorLoggerServiceImpl] (default task-41) Error from user: dmAdmin Error ID: -79860134 Location: LibraryPerspective|$ProjectScreen,GuidedDecisionTableEditor?path_uri=default://master@MySpace/AAAPricing/src/main/resources/com/myspace/aaapricing/Pricing%2520Table.gdst&file_name=Pricing%20Table.gdst&has_version_support=true Exception: Uncaught exception: Uncaught TypeError: Cannot read property 'createElement' of undefined (http://localhost:8080/decision-central/verifier/dtableVerifier/3EA3E9D35E...) {quote} The workaround with {{-Dorg.kie.verification.disable-dtable-realtime-verification=true}} helped was (Author: smanukya): Had same issue, appeared next day suddenly, was using OSX, OpenJDK 1.8, the Decision Manager 7.7. on EAP 7.2 {quote} 15:03:03,651 ERROR [org.kie.workbench.common.services.backend.logger.GenericErrorLoggerServiceImpl] (default task-41) Error from user: dmAdmin Error ID: -79860134 Location: LibraryPerspective|$ProjectScreen,GuidedDecisionTableEditor?path_uri=default://master@MySpace/AAAPricing/src/main/resources/com/myspace/aaapricing/Pricing%2520Table.gdst&file_name=Pricing%20Table.gdst&has_version_support=true Exception: Uncaught exception: Uncaught TypeError: Cannot read property 'createElement' of undefined (http://localhost:8080/decision-central/verifier/dtableVerifier/3EA3E9D35E...) {quote} The workaround with {{-Dorg.kie.verification.disable-dtable-realtime-verification=true}} helped -- This message was sent by Atlassian Jira (v7.13.8#713008)