Member Avatar for fikir fikir

when I open an email,It comes this warning. "A Run time Error has occurred. Do you wish to Debug? Line:0 Error 'sp' is undefined.

what should I do for this problem? pls sove my trouble.

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  • Latest Post Latest Post by wileysutton

Dani AI

Generated

Brief technical note and practical follow-ups

The message about a runtime error with "Error 'sp' is undefined" points to a client-side scripting problem: some JavaScript on the page tried to use an identifier named sp that wasn't available in the page context. "Line: 0" simply means the script engine couldn't map the problem to a single source line (this happens with dynamically generated scripts, injected code, or minified/concatenated files), so the dialog is the browser reporting a script failure rather than a corrupted mailbox.

As demonstrated, suppressing the script-debug dialog removes the annoyance, and that was enough for and later . That approach hides the dialog but does not change the underlying script error. For a lasting fix, the root source of the missing sp reference needs to be located and corrected or avoided.

Additional troubleshooting and diagnosis (non-redundant to prior replies)

  • Reproduce the message from a different browser or machine. If the error disappears, the cause is environment-specific (browser, add-on, or local security software injecting scripts).
  • Use developer tools (F12) and the Console/Sources tab to reload the message and inspect the error stack. Search the page and loaded scripts for the token sp to find where it’s referenced.
  • If the script comes from the message body (embedded HTML/script in the mail), view the raw message source and remove scripts or ask the sender to resend without active scripting.
  • If a security product is suspected to inject scanning code, test with that product disabled temporarily or check vendor support for compatibility notes.

Quick fix for authors of the offending script

if (typeof sp !== 'undefined') {
    sp.doSomething();
} else {
    // fallback or skip behavior
}

If the issue persists across devices and browsers, collect a sample message, the exact error text, and Console output and forward them to the webmail or security-software vendor for a permanent resolution.

Recommended Answers

All 11 Replies

Member Avatar for gemini4

You usually get it on corrupted plugins. Are you using any spam killer software, what is the program that you use for e-mail Outlook Express or you just use web-mail?

Member Avatar for Inky

Also, do you get the error with all messages you try to open?

Member Avatar for fikir fikir

yes! I get the message all time.

Member Avatar for gemini4

And again:

Are you using any spam killer software, what is the program that you use for e-mail Outlook Express or you just use web-mail?

Member Avatar for Inky

Yep, gotta answer gemini4's questions, too, or there's no way anyone can help.

Member Avatar for fikir fikir

I use webroot spy sweeper soft ware and I clean it every three days. also I use web-mail.

Thank You gemini4 and Inky for your support

Member Avatar for Inky

If you disable script debugging in IE (are you using IE or another browser) does the message then open?

To disable script debugging in IE: Tools --> Internet Options --> Advanced. Disable script debugging (check next to this). Display a notification about every script error (no check next to this).

Member Avatar for gemini4

You might also want to disable 3rd party browser extensions in Internet Options/Advanced.

Member Avatar for fikir fikir

If you disable script debugging in IE (are you using IE or another browser) does the message then open?

To disable script debugging in IE: Tools --> Internet Options --> Advanced. Disable script debugging (check next to this). Display a notification about every script error (no check next to this).

it solved my problem extremely thank you very much.

Member Avatar for fikir fikir

it solved my problem extremely thank you very much.

Member Avatar for wileysutton

Thanks. Solved my problem immediately. wiley

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