How to hide errors

I have application that everybody can use, but i don't want that they could see my code when some error happens. My app is made by HTML-DB 1.4 and when user inserts string into number field or do some other foolish then he/she could get error in error page but in HTML source are shown full program code.

Indrek,
I see exactly what you mean now, I wasn't looking at the page's HTML source as you first indicated. This is the output you get when your page doesn't have an Error Page Template section. Here's what you do: go to the application's Shared Components->Themes/Templates. Click the left-hand edit link. On the report of default templates, note the name of the default Error Page template. Return to previous page. Edit the current theme by clicking the link under the Theme Name heading, scroll down to Page Templates and click the link for the template noted in the previous step. On the page template edit form, scroll down to the Error Page Template and enter the text to be displayed when the page has an error. This can include fixed substitution placeholders like #MESSAGE# or item substitution strings like &APP_USER. and &APP_ID.. See the popup help for that region for more info. Take a look at application 15708 in your workspace on htmldb.oracle.com for a working example.
These changes set up your application's default Error Page template. This section of that particular page template will be used for Error Pages whenever the current page being processed has to display an error. If the current page uses a different default page template, it's Error Page template section is used if present, but if it's empty, the application's default Error Page template is used.
Scott

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screenshot http://ehype.com.ru/tmp/rep_error.jpg

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Refered from,
[SAP HELP Library - Standard Reference for Errors and Warnings|http://help.sap.com/saphelp_nw04s/helpdata/en/43/00c5b7daf15166e10000000a1553f6/content.htm]
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Attach Image:
[Image T.Code|http://www.freeimagehosting.net/uploads/eab3b6a03c.jpg]
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[Image T.Code|http://www.freeimagehosting.net/uploads/eab3b6a03c.jpg]
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