How To Fix SLS_PAYSP020 - Billing plan is not permitted; payment by payment service provider

SLS_PAYSP020 - Overview

• Message type: E = Error

• Message class: SLS_PAYSP - Payment Service Provider Integration

• Message number: 020

• Message text: Billing plan is not permitted; payment by payment service provider

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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SLS_PAYSP020 - Details

• The SAP error message SLS_PAYSP020 indicates that there is an issue with the billing plan configuration when attempting to process a payment through a payment service provider (PSP). This error typically arises in scenarios where the system is set up to handle payments via a PSP, but the billing plan associated with the transaction does not meet the necessary criteria for such payments.
  
  Cause:
  
  Billing Plan Configuration: The billing plan associated with the transaction may not be compatible with the payment method being used. For example, certain billing plans may not allow for payments to be processed through a PSP.
  Payment Method Settings: The payment method configured in the system may not support the billing plan type. This can happen if the payment method is set to only allow certain types of billing plans.
  Integration Issues: There may be issues with the integration between SAP and the payment service provider, leading to restrictions on