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Field Service Technician Portal: Error Java.lang.NoSuchMethodError When Technician Is Trying To Schedule Task Via Portal (Doc ID 2634003.1)

Last updated on FEBRUARY 06, 2022

Applies to:

Oracle Field Service - Version 12.1.3 to 12.1.3 [Release 12.1]
Information in this document applies to any platform.


A technician is getting an error when trying to self-schedule a Task in Field Service Technician Portal.


Field Service Technician Dashboard

- Highlight a Task.
- Click on the Schedule icon
- Select Scheduler Option
          . Option = Self Schedule
- Click on Go to bring up open slots in technicians schedule.
- Pick a row
- Select date and click 'Schedule' button.
=> Receive Error.


  An unexpected internal error has occurred.
  Exception: oracle.apps.csr.api.server.RequestManagerAPI.createScheduleOptionRequest(JJZ)J
  (java.lang.NoSuchMethodError: oracle.apps.csr.api.server.RequestManagerAPI.createScheduleOptionRequest(JJZ)J
  at oracle.apps.csf.portal.task.server.CsfPlanOptionsAMImpl.savePlanOption(
  at oracle.apps.csf.portal.task.server.CsfPlanOptionsAMImpl.savePlanOption(
  at oracle.apps.csf.portal.task.webui.ScheduleOptionQueryCO.processFormRequest(


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