Error completing order

Error completing order

Good morning

situation since the beginning of March:

up to and including the shopping cart, everything is OK. When confirming the terms and conditions and sending, an error message follows. However, the order is saved in the system and no message is sent to either the customer or the administrator.

Thanks for a little help and assistance.

Alex

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Aw: Error completing order

after update to php 8.
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Joomshopping / configuration / Shop info

PDF Config
Width / height
Need enter number or 0 (Not empty)
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works for php 7.x

Aw: Error completing order

perfect !

thanks a lot

Alex