From 3 April 2017 I have started getting errors like this: currency, item name or number or quantity mismatch: IPN item_name (1+ADULT-START+IMMEDIATELY+for+w43799) does not match basket item_name (1 ADULT-START IMMEDIATELY for w43799) nor their trimmed sizes for IPN (1+ADULT-START+IMMEDIATELY+for+w43799) and basket (1 ADULT-START IMMEDIATELY for w43799) For some reason "+" signs are being added where there are spaces in the IPN item_name, resulting in a mismatch and payment is not processed properly on my site. It does not happen for all payments. What is going on and how can I fix it?
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