This is the 12682nd most frequent Polish word.
niekompletne
Incomplete.
The word "niekompletne" here is used to describe the state of the documents, indicating that they are missing some parts or information.
Dokumenty były niekompletne, więc musisz je uzupełnić.
The documents were incomplete, so you need to complete them.
Here, "niekompletne" describes the condition of the block sets, conveying that some components are missing.
Kupione zestawy klocków były niekompletne, co bardzo zawiodło dzieci.
The purchased sets of blocks were incomplete, which greatly disappointed the children.
In this case, "niekompletne" refers to the inadequacy of the data in the report, emphasizing their lack of comprehensiveness.