For information on how to troubleshoot issues within ISIM, please navigate to https://www.ibm.com/support/knowledgecenter/en/SSRMWJ_7.0.1.7/com.ibm.isim.doc/trouble/cpt/cpt_ic_trouble_support_overview.htm.
Error codes are available at https://www.ibm.com/support/knowledgecenter/SSRMWJ_7.0.1/com.ibm.isim.doc/landing/messages_landing.htm.