[2.0.76] Constant combinator allows to pick similar signals with quality

[homozhyzhenus]

1.What did you do?
1) place a constant combinator
2) press on the first constant combinator cell
3) pick any entity, change the quality level to uncommon
3) confirm the choice
4) press the second constant combinator cell
5) pick the same entity, pick the same quality level
6) confirm the choice

2. What happened?
Constant combinator allowed me to proceed with my choice. The message of the conflict was present. After reentering the constant combinator only one cell was filled.

3. What did you expect to happen instead?
Constant combinator not allowing me to proceed with the choice already present as an established signal in this combinator.

4. Does it happen always, once, or sometimes?
Always

Overall, not a big issue, as the end result is working as intended, mostly a visual thing.
Enabled mods are Base mod 2.0.76 and Quality 2.0.76

Factorio 2.0.76 2026-03-27 19-48-58.mp4

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03-27-2026, 20-12-03.png (547.92 KiB) Viewed 354 times

[Rseding91]

Thanks for the report. This is now fixed for 2.1.