Hello, thanks for your reply.
My code is very similar to yours.
But there is something weird, i tried adding the marker from the console and nothing happened :
Hello,
Thanks for sending your configuration.
I used it, and everything seems to work fine — here’s an example: DHTMLX Snippet Tool
Could you please check if the issue is reproduced for you in this snippet?
Apologies for the error in the previous snippet. Please review the corrected version below: https://snippet.dhtmlx.com/01795cw3
Could you please check if the issue is still reproduced for you?