Deployment errors

Error text	Solution
Multiple none start events or timer start events not supported on process definition	Only one timer based Start Event are able to be in single process
SignalEventDefinition does not have required property 'signalRef'	Probably you are starting the process with a "Signal Start Event" which requires a value in settings Advanced > Signals > Global Signal Reference
Missing attribute 'calledElement' or 'caseRef'	You have one or several "Call activity" nodes which doesn't have any other processes to call.
One of the attributes 'class', 'delegateExpression', 'type', or 'expression' is mandatory on serviceTask. If you are using a connector, make sure theconnect process engine plugin is registered with the process engine.	Your service tasks expect to have a relation to a service. Provide value by editing all services tasks at Advanced > Implementation. If you want to pass testing, provide this data: - Type = "Expression" - Expression = "${test}"