Lua error when comparing trees

[Davst]

Check version

• I'm running the latest version of Path of Building and I've verified this by checking the changelog

Check for duplicates

• I've checked for duplicate issues by using the search function of the issue tracker

What is the expected behaviour/value?

When importing a tree from another build, I expect to be able to mouseover nodes without PoB crashing.

What is the actual behaviour/value?

How to reproduce the issue

Load https://pastebin.com/JqVg9ZpC

Create a new skilltree

Import

https://www.pathofexile.com/passive-skill-tree/3.16.0/AAAABgYDf8KcZ05CLGwImAb7CeOEbIwe8E0N62PviITFUMNq6zy9BL8OSFVLjDYj9klR18-VLl5F6Nadqm93pAX1GMDj9toT33MOS1dwUmHiA2VHBqxHBZNvniT9X7D_3mSqibeTJ-jVjX3Rb9DQjb8ovTfU8NVirLIZwuxQQhmKSwqJ03cHTZLyHUmxxkXximSdm7VJUgEkt9nnVFfYj_rr9RqPBx5RR5ykkA1JE60c8bNjQyLq_UptOvcTdm_tP2o26KSly3BRwzoyAaB5-usrCs96t3XII1Mx-XUmlVFMMHz5NxvgfbDndMpKBbV-sLTFhxPWvlM1ew3b56k0m4YsRpTxAAukHsKcemNNDUmrUMNwBGrrlhcEv4ZP0W8gaii93vLGRboaAST7fa0cC6v5dQ==

As skilltree

Load Phys skill tree as comparison.

Mouseover a few nodes, likely masteries

You'll get the above error.

Build code

https://pastebin.com/JqVg9ZpC

Tree to import: https://www.pathofexile.com/passive-skill-tree/3.16.0/AAAABgYDf8KcZ05CLGwImAb7CeOEbIwe8E0N62PviITFUMNq6zy9BL8OSFVLjDYj9klR18-VLl5F6Nadqm93pAX1GMDj9toT33MOS1dwUmHiA2VHBqxHBZNvniT9X7D_3mSqibeTJ-jVjX3Rb9DQjb8ovTfU8NVirLIZwuxQQhmKSwqJ03cHTZLyHUmxxkXximSdm7VJUgEkt9nnVFfYj_rr9RqPBx5RR5ykkA1JE60c8bNjQyLq_UptOvcTdm_tP2o26KSly3BRwzoyAaB5-usrCs96t3XII1Mx-XUmlVFMMHz5NxvgfbDndMpKBbV-sLTFhxPWvlM1ew3b56k0m4YsRpTxAAukHsKcemNNDUmrUMNwBGrrlhcEv4ZP0W8gaii93vLGRboaAST7fa0cC6v5dQ==

Screenshots

No response

[melink14]

I also get this error. I find if I manually set the masteries after importing then the error goes away. (I can hover as much as I want and it doesn't pop up). But it has to be done for each mastery.