Siemens s7-1500 tags turn green after adding data

Ignition
2

I encountered the same problem with Siemens S7-414 CPU earlier this year…
https://inductiveautomation.com/forum/viewtopic.php?f=94&t=15278

It turns out that IA Siemens driver can’t read STRINGs from Siemens PLC longer than 202 bytes.