Recently, Shopify has updated related to the Header and Tabs so it will cause issues with Mega Menu, Dropdown menu, and Tabs Collection Section. However, we will quickly find a way to fix this issue.
![error.gif](https://helpdesk.the4.co/storage/8144/oXrrv9ujtcx3itBr74hroyD8GVOzsHob1LSR3VdT.gif)
1. Fixing Header Menu Issue
1.1. For Kalles 4, Gecko 6, Unsen, Ocolus
To fix this issue you need to open the Edit code and find the file below.
![edit code.gif](https://helpdesk.the4.co/storage/8145/6uB8ZXHps3eb4xcgg34tBxn00sPAMDizz73lhMu1.gif)
Step 1: Remove code in the "menu_splits.liquid" file
You will access "menu_splits.liquid" file and then find with Ctrl + F this key => "admin_sp".
Please remove the code highlighted:
![splits.gif](https://helpdesk.the4.co/storage/8149/BsW08gphbRRWcee3M03jrCkpZF8kkkWLfiQ93Fst.gif)
Step 2: Remove code in the "menu_blocks.liquid" file
Similar the step 1, you will access "menu_blocks.liquid" file and then find with Ctrl + F this key => "admin_sp".
Please remove the code highlighted:
![menu block.gif](https://helpdesk.the4.co/storage/8150/U55F0w0lgtaFX9XpWOu2wzw85TP2YxRt1yx1S7hd.gif)
This is the video to guide fixing this issue:
1.2. For Kalles 2, Kalles 3, Gecko 5, Elessi 3
Please go to Header section > Click on each Header Item 'Mega Menu (Parent)' and 'Dropdown Menu (lv 1)' > uncheck option 'Enable Lazy menu?'.
Then the issue will be solved.
![menu 1.0.png](https://helpdesk.the4.co/storage/8179/D940ZyHFBV0oxsg3XShmRSQEsdlSlL3lQQwsNcwg.png)
2. Fixing Tabs Collection Issue
With the issue from the second tab don't show, you can fix it by yourself with remove code in the file "tabs-collection.liquid"
You will find Ctrl + F with this key "request.design_mode"
![tabs collection.gif](https://helpdesk.the4.co/storage/8160/DoEtOf1n9WInqeIiBNqkE1xRAfbH8PO15dtT2U2P.gif)
This is the video to guide you fix this issue:
3. Fixing Tabs List Collection Issue
The issue when preview page from the second tab:
![tab1.png](https://helpdesk.the4.co/storage/9878/v1tsoTVDvKMDIVAL4ClY7oUviVk8TCLSUp5Afx3F.png)
To fix it, you can remove code in the file "tabs-list-collections.liquid"
You will find Ctrl + F with this key "request.design_mode", then remove the code in yellow area as the image below. Then the issue will be solved.
![tab2.png](https://helpdesk.the4.co/storage/9879/papOH34E0YyhpiZ9XsueSuoQ6ed4V7PzUzCwdOgR.png)