The newly generated Subscription record shows below error under Error Info field.
Details: Invalid custrecord_sb_sbitem_item reference key xx.. Please Correct the error and edit Subscription then hit Retry.
The cause of the error is a non-supported item type setup on the Subscription Plan Item > Item field.
The current version of the Recurring Billing module supports subscriptions only on Non-inventory Item for Sale and Service for Sale. This is documented per SuiteAnswers Answer Id: 21903.
To successfully process Subscriptions, please perform these steps:
1. Remove the sales order from the Subscription record under Transactions tab > Transactions sub tab.
2. Delete the sales order.
3. Inactivate the Subscription, Subscription Plan Item and Subscription Plan records.
4. Create a new set of records making sure that a supported item type is selected on the Item dropdown field on the Subscription Plan Item record.