Troubleshooting: GemPages Error Codes

While using GemPages v7 New Editor, you may sometimes see specific error codes when saving, publishing, or managing your pages.

This article explains what those error codes mean, why they occur, and how you can resolve them yourself.

If you’re facing troubles with error messages, refer to this article: Troubleshooting: GemPages Error Messages.

Publishing Errors

These errors appear when you try to publish a page to Shopify.

Error Code	Message	Cause	How to Fix
400107	Need at least 1 section to publish	Your template doesn’t contain any sections.	Add at least one section before publishing.
400108	The number of sections exceeds Shopify’s limit	Your page has more sections than Shopify allows.	Remove or merge sections to stay within the allowed limit.
400106	Plan limit reached for publishing	You’ve reached your plan’s publishing limit.	Unpublish another page of the same type or upgrade your plan.
—	Shop has no connected platform	The Shopify store isn’t properly connected to GemPages.	Try publishing again. If the issue persists, uninstall and reinstall GemPages from your Shopify Admin.
400200	Not found any blog to assign article	The blog assigned to your article was deleted on Shopify.	Create a new blog post and assign it to an existing blog.
400201	Page type does not support “Make Default”	You’re trying to make a page default that isn’t eligible.	Choose another page type that supports “Make Default.”
404203	Section does not exist in theme	A section was deleted from your Shopify theme or by another app.	Delete that missing section from GemPages and rebuild it.
404205	Platform has no blog	Shopify requires at least one blog under Online Store > Blog Posts.	Create a blog in Shopify before publishing article pages.
400202	Section size exceeds threshold ( KB)	The section content is too large for Shopify’s limit.	Reduce images or content size within the section.
400203	Custom fonts exceed max character length	Custom font files exceed Shopify’s size limit.	Remove or replace heavy fonts with lighter ones.

Connection and Authentication Errors

These errors relate to your Shopify login session or token.

Error Code	Message	Cause	How to Fix
403001	Unauthenticated user	Your login token expired or became invalid.	Log out and sign back into Shopify, then reopen GemPages.
403002	Unauthenticated shop	Your Shopify shop authentication token is invalid.	Re-login to Shopify and reopen GemPages from the Admin panel.

Campaign Management Errors

Error code: 403003 – Plan does not allow this action
Cause: Your current plan doesn’t include campaign editing permissions.
How to fix: Upgrade to a plan that allows campaign management.

Sale Funnel Offer Errors

Error code: 400136 – Can’t publish disabled offer
Cause: The Sale Funnel Offer is disabled.
How to fix: Enable the offer before publishing.

Theme Style Errors

These errors occur when working with global styles or password-protected themes.

Error Code	Message	Cause	How to Fix
400137	Global style cannot be empty	You tried to save a blank global style.	Add at least one styling configuration before saving.
400138	Password incorrect	The theme password entered is wrong.	Re-enter the correct theme password.
400139	Store is password-protected	Your store requires a password to preview or publish.	Enter your store password when prompted.

Sales Funnel Deletion Errors

Error code: 400140 – Cannot delete an active sale funnel
Cause: The funnel is still active.
How to fix: Deactivate it first, then delete.

Page Deletion Errors

These errors occur when you try to delete a page that’s either published or part of a template package.

Error Code	Message	Cause	How to Fix
400142	Published pages can’t be deleted	The page is currently live on your store.	Unpublish the page before deleting it.
400144	Can’t delete page in template package	The page is part of a template package.	Remove it from the package first, then delete it.

Page Update Errors

These errors occur when you update or save a page with missing or duplicated information.

Error Code	Message	Cause	How to Fix
400147	Name must not be empty	The page title is missing.	Add a valid page title before saving.
400148	Handle must not be empty	The page handle (URL slug) is blank.	Enter a valid handle before saving or publishing.
409100	Page handle already exists	The handle is already used by another page in your store.	Update the handle to a unique name.

Discount Activation Errors

These errors appear when creating or activating discounts through GemPages.

Error Code	Message	Cause	How to Fix
404500	Platform discount does not exist	The discount has been deleted from Shopify.	Click Activate again to resync, or recreate the discount.
400501	Discount activation limit exceeded	Shopify allows only 5 active automatic app discounts.	Deactivate or delete other automatic discounts in Shopify or GemPages before activating a new one.
400502	Discount active time overlaps with another discount	The discount’s active dates overlap with an existing one on Shopify.	Change the start or end date, or create a new discount with a non-overlapping period.
401001	Invalid or expired token	The session token expired or became invalid.	Clear your browser cache, refresh, and log in again. If the issue persists, contact Customer Support.

Shop & Staff Management Errors

These errors appear when managing shop domains or adding new staff members within your GemPages agency account.

Error Code	Message	Cause	How to Fix
400158	Added your own agency domain	You entered your own agency’s Shopify domain in the add-shop list.	Remove your own agency domain from the list.
400159	Added another agency’s domain	You added a domain belonging to another agency.	Remove the invalid domain.
400161	Shop domain hasn’t installed GemPages	The store hasn’t installed GemPages yet.	Ask the store owner to install GemPages first.
400163	Staff email is already in your agency	The email already exists in your agency’s staff list.	Remove the duplicate email before adding.
400162	Staff email belongs to another agency	The staff email is linked to another agency account.	Use a different staff email address not associated with another agency.

Summary

Each GemPages error code identifies a specific issue — usually related to page setup, plan limits, or Shopify connection.

If you’ve followed the fix steps and the problem continues, please contact GemPages Customer Support and share:

The error code
The affected page name or action

Our team will help review and resolve it quickly.

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