Even in the more acrolectal forms of Kriol words, final consonant clusters are never present at the surface level.
The only possible root final consonant cluster is -nC.
The only exceptions appear to be final consonant clusters involving a glottal stop (see below).
And yes, final consonant clusters are a problem.
Some nonstandard varieties of Bengali make use of final clusters quite often.
This cluster can come about due to a change in the phonotactics of the language so that final clusters are no longer permitted.
At last, the final cluster of her fellow Exiles arrived.
Some might see this final cluster as a ziggurat of the future.
Proto-Samoyedic had however innovated a limited amount of final consonant clusters.
Consonants remaining from reduced final clusters may be eligible for deletion.