3462273 - InboundRA failing with "No such method - "setMaxReaderThreadCount""

• The InboundRA is not starting.
• The default traces shows the below error:

"Global [startApp] operation of application [sap.com/com.sap.aii.adapter.idoc.sapjra.inboundRA] finished with errors for [31] ms on server process [109662351] [
 >>> Errors <<<
    1). com.sap.engine.services.connector.exceptions.BaseDeploymentException: No such method - "setMaxReaderThreadCount" of instance of class "class com.sap.mw.jco.jra.JRA$ResourceAdapterImpl".
    at com.sap.engine.services.connector.deploy.util.ResourceAdapterStarter.setConfigProperties(ResourceAdapterStarter.java:680)
    at com.sap.engine.services.connector.deploy.util.ResourceAdapterStarter.instantiateRA(ResourceAdapterStarter.java:308)"

• Under NWA -> Configuration -> Infrastructure -> Application Resources: filter for InboundRA (Resource adapter), two "MaxReaderThreadCount" properties with different types can be found.

• SAP NetWeaver 7.3
• SAP enhancement package 1 for SAP NetWeaver 7.3
• SAP NetWeaver 7.4
• SAP NetWeaver 7.5

InboundRA, IDoc, setMaxReaderThreadCount, MaxReaderThreadCount, not starting Process Integration 7.30, PI 7.30, Process Integration 7.31, PI 7.31, Process Orchestration 7.40, PI 7.40, PO 7.40, Process Orchestration 7.50, PI 7.50, PO 7.50, NetWeaver, XI , KBA , BC-XI-CON-IDO , Idoc Adapter J2EE , Problem