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Authorize.net - (99) This transaction cannot be accepted.

Thread began 11/07/2009 2:55 pm by lisabaker264492 | Last modified 11/10/2009 5:39 pm by lisabaker264492 | 7161 views | 3 replies

11/07/2009 2:55 pmlisabaker264492

Authorize.net - (99) This transaction cannot be accepted.

I was originally having a mhash() error as described here:
showthread.php?t=1422&highlight=MHASH_MD5

I too found I have hash and not mhash installed on my server so in the file WA_simlib.php I changed

return (bin2hex (mhash(MHASH_MD5, $data, $key)));
to
return (bin2hex (hash(MD5, $data, $key)));

and this took care of the error, but now when I try my checkout Authorize.net gives me the following error:

(99) This transaction cannot be accepted.

I looked this up on Authorize.net and found:
?page_id=7199#bottom

I confirmed that I have the right
x_login and x_tran_key

I even reset the transaction key in Authorize.net, but it's still not working. When I run the tool that page the generated fingerprint it produces does not match the x_fp_hash that is produced by my page.

I've noticed Authorize.net has a place to set a MD5 Hash value in their merchant tools is this something I need to set, or should set?

I'm lost, please help

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