Crash when declared a data types containing arrays of arrays

[Thiago Alves]

Steps to reproduce the problem

1. Open Beremiz
2. Create a new project
3. Create a new Datatype, base type INT, derivation type ARRAY, named my_array with dimension 1..20
4. Create another Datatype, base type “my_array”, derivation type ARRAY, named my_array_collection with dimension 1..30
5. Click back on the “my_array” datatype and Beremiz will crash showing a “IndexError: list index out of range” error.