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Checks

The Checks tab looks for likely mistakes as you work. The badge on the tab shows how many it found.

Checks panel

Click an issue to switch to its plate and select the wells involved.

Check Level Why it matters
Duplicate plate name ⛔ error Platemap file names would collide
No control wells on a plate ⚠ warning Per-plate normalization needs controls
Treated well without a concentration ⚠ warning Incomplete metadata
Concentration without a compound ⚠ warning Usually a leftover value
Filled well without a cell line ⚠ warning When any well on the plate has one
Vehicle / class / group unknown for a compound ⚠ warning Auto-fill has no mapping yet for that compound
Controls clustered in a few rows/columns ℹ info Risk of positional bias
Controls or treatments on edge wells ℹ info Edge wells evaporate faster

What counts as a control

A well counts as a control if the Control field is set, or if any field has the value Control. This covers treatment_group = Control style platemaps.

The checks never block you; they're reminders. An empty list shows a green ✓.