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HelpDrawerRealmRealm AccountingMinistryPlatformGivingTest Giving_VersionsPDSACSConnectShepherdGrowth MethodHeadMasterRefresh WebsitesTrust CenterGo MethodMissionInsiteACST Content StandardsACST Policies & Guidelines

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Troubleshooting

DBISam Engine Error #8961 Logging In

This article covers DBISam engine error 8#961 and HMClient.exe @ address 001F4FE6.

When trying to log into HeadMaster, either of these error displays: "HeadMaster has encountered problems, engine error in module HMClient.exe @ address 001F4FE6." and/or "DBISam engine error 8961 header information corrupt in userlog."

  • Products Affected: HeadMaster

  • Versions Affected: Multiple Versions

  1. Navigate to the data directory (C:/Hmaster/Data, with C representing your drive) and locate the System file.
  2. Open the system file, then delete userlog.acsdat and userlog.idx.
    After deleting those files, you should be able to log in.
Troubleshooting
HeadMaster

Last updated: May 28, 2025