Sage X3 has a feature of BP net settlement, with the help of this feature we can settle open items like open invoices, unapplied prepayment, credit memos and debit memos against suppliers & customers.
One of our client tried to create BP net settlement against one vendor but an error occurred as shown in the below screenshot:
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This error occurred because the screens BPOINET & BPOINET3 having a grid length of 501 as shown in the below screenshot and transactions against the vendor which is selected for for BP net settlement is exceeding that length.


To solve the above error, we have to follow below steps:
- Launch Development, Script Dictionary, Screen Dictionary, Screens
- Select BPOINET & BPOINET3 screens
- On the General tab where 501 is entered on the Details line in the Lines column, increase the value to a larger number to allow more records on the BP Net Settlement. (Maximum 32,267)
- Click Save.
- Click Validation.
- Kill session by doing logout from application.
- Log-in and check message does not occur again, error got fixed now.
Hence by following the above steps, we can solve the Error: “MRK(501): Index Incorrect” in Sage X3.
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Greytrix – a globally recognized and one of the oldest Sage Development Partner is a one-stop solution provider for Sage ERP and Sage CRM organizational needs. Being acknowledged and rewarded for multi-man years of experience, we bring complete end-to-end assistance for your technical consultations, product customizations, data migration, system integrations, third-party add-on development and implementation competence.
Greytrix caters to a wide range of Sage X3, a Sage Business Cloud Solution, offerings. Our unique GUMU integrations include Sage X3 for Sage CRM, Salesforce.com, Dynamics 365 CRM and Magento eCommerce along with Implementation and Technical Support worldwide for Sage X3. Currently we are Sage X3 Implementation Partner in East Africa, Middle East, Australia, Asia, US, UK. We also offer best-in-class Sage X3 customization and development services, integrated applications such as POS | WMS | Payment Gateway | Shipping System | Business Intelligence | eCommerce and have developed add-ons such as Catch – Weight and Letter of Credit and India Legislation for Sage X3 to Sage business partners, end users and Sage PSG worldwide. Greytrix Sales Commission App for Sage X3 simplifies commission calculations and postings on sales transactions.
The GUMU Cloud framework by Greytrix forms the backbone of cloud integrations that are managed in real-time for processing and execution of application programs at the click of a button.
Greytrix is a recognized Sage champion ISV Partner for GUMU Sage X3 – Sage CRM integration also listed on Sage Marketplace; GUMU
integration for Sage X3 – Salesforce is a 5-star rated app listed on Salesforce AppExchange and GUMU
integration for Dynamics 365 CRM – Sage ERP listed on Microsoft AppSource.
For more information on Sage X3 Integration and Services, please contact us at x3@greytrix.com, We would like to hear from you.