Map does not refresh veins after version update

[Apochy]

Your GTNH Discord Username

No response

Your Pack Version

2.6.0

Your Server

private sever

Java Version

Java 8

Type of Server

Thermos

Your Expectation

I have updated gtnh from 2.5.1 to 2.6.0

The Reality

No mineral veins are generated in the newly generated maps of the main world and hell.

Your Proposal

How to fix this error or map.

Final Checklist

• I have searched this issue tracker and there is nothing similar already. Posting on a closed issue saying the bug still exists will prompt us to investigate and reopen it once we confirm your report.
• I can reproduce this problem consistently by follow the exact steps I described above, or this does not need reproducing, e.g. recipe loophole.
• I have asked other people and they confirm they also have this problem by follow the exact steps I described above, or this does not need reproducing, e.g. recipe loophole.