Error with customer data (address, phone number)
The error may look like what is below:

Troubleshoot steps:
Check the Related Lists table on the document.
In Zoho Books > the document that is failed to pushed > scroll down to the related lists table.

Check the customer's profile
In Zoho Books > the document that is failed to pushed > click on the company name link > customer page > edit,

Verify all customer contact details.
While still in the Customer Profile, check the following fields:
Customer name ( make sure it matches the name registered in LHDN)
Email Address (properly formatted (e.g., example@email.com)

check the customer's phone number
Has the correct country codes assigned
(you may need to adjust the keyed in phone number after doing this to avoid repeated first digits)
has no extra spaces, dashes (-), plus signs (+), or symbols,
should only contain valid digits

Address (confirm that the address stored in the profile is correct and updated)
Take note of all the address fields and make sure they are
filled in following the format below
with the correct information (street address,city, state,country, zip code).

ensure all dropdowns are using options from the menu and not manual entry (not using the given options will cause errors)

Check the customer's address on the document (on the document edit page).
make sure updated address selected in document

Please do not hesitate to contact us through our support email if you have any questions or require any further assistance.
Related Articles
Error with customer data (TIN and BRN )
Introduction: This article is to assist for errors that details problems with Customer TIN and BRN Troubleshoot steps: Check the Related Lists table on the document. In Zoho Books > the document that is failed to pushed > scroll down to the related ...
Error with Organization data (address)
Introduction: This article is to assist for errors that details problems with your organization address or phone number Troubleshoot steps: Check organization location and phone number . Depending on your Zoho Books environment, your organization ...
Customer details widget error
Introduction The error in question is when the customer details side widget either comes with an error, or refuses to load : This issue is usually due to the locations module not being enabled, as Zoho recently changed the back end and now has tied ...
Step 2: Updating Customer and Vendor databases
Introduction Manually update Customer and Vendor details to comply with eInvoicing, or bulk update databases with Zoho's import-export methods Update Individual Customer and Vendor Details ...
Error with Customer TIN and BRN when previously valid and pushable (error as of April 2026)
Introduction: This article is to assist for when the plugin cannot find the TIN and BRN of a customer (either cannot push or cannot find via widget) but the data is valid, and the document can be manually submitted without issue. Troubleshoot steps: ...