Other players not showing up in teams tab

[ExcitedName]

Other players are not showing up in the team tab. Our shared inventory is still visible.

[ExcitedName]

Forge: 14.23.2.2611
PlayerStorage: 1.12.2-1.2.4

[Someineko]

Forge 14.23.5.2824
PlayerStorage 1.12.2-1.3.11
When out of range of other players we "unteam" and no longer share inventory. On a separate server with 2 players their is no issue.