Binder Error: Compressed materialization functions are for internal use only!

[fuzzerofducks]

Issue found by SQLSmith on git commit hash 0e472 using seed 445361010.

To Reproduce

create table all_types as select * exclude(small_enum, medium_enum, large_enum) from test_all_types() limit 0;
select  
  sample_0.struct as c0, 
  sample_0.varchar as c1, 
  sample_0.nested_int_array as c2, 
  sample_0.fixed_nested_varchar_array as c3, 
  __internal_compress_string_uinteger(
    cast(sample_0.varchar as varchar)) as c4, 
  sample_0.date_array as c5
from 
  main.all_types as sample_0 tablesample system (10) 
where sample_0.varchar !~~ sample_0.varchar;

Error Message

Binder Error: Compressed materialization functions are for internal use only!

Stack Trace

[c-herrewijn]

not an issue, regular error is given.

The fuzzer script considers it an internal error since the error message contains the word 'internal'. This needs to be fixed on the side of the fuzzer.