1. kronson
  2. RO Payments
  3. Wednesday, 17 September 2025
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In a Virtuemart webshop I want to edit a payment method. There are 3 RO Payment methods, they all give the error as attached. I removed RO Payments and reinstalled 8.5.0. It didn't help.
What could it be?
It doesn't occur in a Hikashop webshop, so maybe it's in the Virtuemart plugin?
Attachments (1)
Accepted Answer Pending Moderation
Hi Robert,

vmError: VmPlugin function createPlugin, class does not exist Plgvmpaymentjdideal vmpayment jdideal
That should be because the old version is removed. Can you create a new payment method or the same error shows up? If the same error shows up when creating a new payment method, we need to see where VM is pulling the jdideal from. In the new version everything is called ropayments.
Kind regards,

RolandD

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  1. 2 weeks ago
  2. RO Payments
  3. # 1
Accepted Answer Pending Moderation
Hi Roland,
In the extension list I see 8.5 and 9.0. Though both versions are disabled the error is still there. I removed 8.5 and enabled 9.0. Now I can open the payment plugin, but have a new error:

vmError: VmPlugin function createPlugin, class does not exist Plgvmpaymentjdideal vmpayment jdideal
  1. 2 weeks ago
  2. RO Payments
  3. # 2
Accepted Answer Pending Moderation
Hi Robert,

If you get the same error, you will need to contact VirtueMart. The only thing I see from the error is that an incorrect SQL query seems to be generated but debugging this is out-of-scope I am afraid.
Kind regards,

RolandD

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  1. 2 weeks ago
  2. RO Payments
  3. # 3
Accepted Answer Pending Moderation
Unfortunately RO Payments 9 wasn't the solution. If you're sure it's Virtuemart than I have to contact them I guess. Or do you have a clue what is going wrong?
  1. 2 weeks ago
  2. RO Payments
  3. # 4
Accepted Answer Pending Moderation
Hi Robert,

Since you are migrating, it might be a good moment to switch to RO Payments 9 as there won´t be any new releases for version 8.

Do you have an idea what else it could be?
Only that VirtueMart is trying to execute a query that is not correct. I see no indication that the issue lies with RO Payments.
Kind regards,

RolandD

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  1. 2 weeks ago
  2. RO Payments
  3. # 5
Accepted Answer Pending Moderation
HI Roland,
I run the test site on Joomla 5.3.3, Php 8.3, Virtuemart 4.4.10.11120 and RO Payments 8.5.0.
Do you have an idea what else it could be?
  1. 2 weeks ago
  2. RO Payments
  3. # 6
Accepted Answer Pending Moderation
Hi Robert,

So that trace (the second image) says a lot. There is no call coming from RO Payments, it is the VirtueMart form trying to read the currencies. Just to be sure, I created an RO Payments method on VM 4.4.4 and PHP 8.3 and it runs without a problem.

Perhaps you need to update VM for Joomla 5?

This error is not coming out of RO Payments.
Kind regards,

RolandD

=========================
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  1. 2 weeks ago
  2. RO Payments
  3. # 7
Accepted Answer Pending Moderation
We are migrating a webshop from Joomla 3 to 5.3.3. Maybe it has something to do with it. Or the Php version 8.1?
Attached you see 2 screenshots. One of the payment methods and one screenshots of the jdideal plugin

With kind regards,
Robert
Attachments (2)
  1. 2 weeks ago
  2. RO Payments
  3. # 8
Accepted Answer Pending Moderation
Hi Robert,

Can you turn on the debug mode of Joomla so we can get more information of where the issue comes from. No-one else has reported this and the VirtueMart plugin is a popular one.

Let us know and we can check what is going on.
Kind regards,

RolandD

=========================
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  1. 3 weeks ago
  2. RO Payments
  3. # 9
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