Administrator’s Guide

Custom web publishing using CDML 4-13
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Creating error messages
The FileMaker Pro Web Companion automatically generates an
error page for various errors that occur when web users access a
database. You can specify your own error pages to override the built-
in pages in the following ways:
1 Use the –error variable tag in a FileMaker Pro CGI request to
specify a single error page, which will be displayed for every type of
error that occurs.
1 Use the –error variable tag in the request to specify an error page
that contains [FMP-If] and [FMP-Else] replacement tags and
FileMaker Pro error codes, which determine certain conditions for
displaying an error message.
1 Include –errnum along with the –error tag in the request to specify
a range or single error code. You can use multiple –errnum tags to
specify discontinuous ranges, such as 500-510 and 900-978.
1 Include a specific error page with a filename that the Web
Companion recognizes when it’s located in a folder named “Error”
inside the Web folder.
The –error tag in a FileMaker Pro CGI request overrides both the
built-in error pages and the pages within the Error folder.
For any error page not included in the Error folder, the Web
Companion generates a built-in error page instead.
The Web Companion recognizes these error pages in the Error
folder:
NoResults.htm
ReqFieldMissing.htm
RepRelatedField.htm
UnexpectedError.htm
NotEnoughMemory.htm
DatabaseNotOpen.htm
LayoutNotFound.htm
DataEntryError.htm
DatabaseViolation.htm
FieldViolation.htm
SecurityDisabled.htm
FormatNotFound.htm
FileNotFound.htm
InvalidAddress.htm