RAD Studio (Common)
Delphi Runtime Errors

Certain errors at runtime cause Delphi programs to display an error message and terminate.

Runtime errors take the form:

Runtime error nnn at xxxxxxxx

where nnn is the runtime error number, and xxxxxxxx is the runtime error address. 

Applications that use the SysUtils class map most runtime errors to Exceptions, which allow your application to resolve the error without terminating.

Delphi runtime errors are divided into the following categories:

  • I/O errors, numbered 100 through 149
  • Fatal errors, numbered 200 through 255
  • Operating system errors

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