Edit and Continue error message

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Applies to: yesVisual Studio noVisual Studio for Mac

Note

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The Edit and Continue error message box appears when you're debugging in a code language that supports Edit and Continue, but Edit and Continue isn't available for the code changes you've made. The error message provides a more detailed explanation. To respond to the dialog, select OK to close the dialog box and cancel the edit attempt.

Possible reasons for this error message include:

  • Trying to edit SQL Server code.
  • Trying to edit optimized code. You may need to switch from a release build to a debug build.
  • Trying to edit code while it's running, instead of while paused in the debugger. Try setting a breakpoint, and editing the code while paused.
  • Trying to edit managed code when only unmanaged debugging is enabled. Edit and Continue doesn't work with mixed-mode debugging.
  • Making a code change that isn't supported by Edit and Continue in your programming language. For more information, see articles about supported code changes in C#, unsupported edits in Visual Basic Edit and Continue, and supported C++ code changes.
  • Trying to edit code in an app you're attached to, instead of starting debugging from the Debug menu.
  • Trying to edit code while debugging a Dr. Watson dump.
  • Trying to edit code after an unhandled exception occurs, and the option Unwind the call stack on unhandled exceptions is not selected.
  • Trying to edit code while debugging an embedded runtime application.
  • Trying to edit managed code using a .NET Framework version earlier than 4.5.1 with a 64-bit app target. To use Edit and Continue for .NET Framework earlier than 4.5.1, set the target to x86 in the <ProjectName> > Properties > Compile tab, Advanced Compiler setting.
  • Trying to edit code in an assembly that was modified during debugging and has been reloaded.
  • Trying to edit code in an assembly that hasn't been loaded.
  • Starting to debug an old version of an app, because the latest version has build errors.

For more information, see: