Currently, we are facing a problem with Gantt on the initialization. In case of changing a tab while Gantt was not rendered fully we are getting an error "Invalid time axis configuration or filter, please check your input data." from gantt.lwc.module.min.js library. Basically in getSizeAndPosition() method:
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It happens because the "o" property which is the timeAxis array and should be filled with values is an empty array when Gantt is initializing in the background.
It looks like this on the gif https://imgur.com/OAOfo2U
The above dropbox link does not contain a runnable project where we can reproduce this issue. This is a video clip showing how we can reproduce this issue on our end. But as Alex mentioned above we need a test case where we can debug this issue. So please share one with us so we can assist you in a better way. Also can you try reproducing the issue in our online examples here https://bryntum.com/products/gantt/examples/?
I am not sure I've understood the assignment fully. Maybe you can provide me with a way to create a runnable project. I've checked your demo salesforce integration example and it's not reproducible there. But it can be a lot of reasons why it's not reproducible. Meanwhile attaching part of the source code with our Gantt configuration and initialization with cut unnecessary blocks. Maybe it will be useful.
Oh, sorry, got it.
It's a standard Salesforce Tabs component so I am navigating between standard tabs:
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Inside this tab, we have our LWC component.
And it's not only the one place where the issue is reproducible.
Also, we have the same component embedded in Custom Tab and switching between Custom Tabs is also triggering this error. like here