Here the log.
does anyone know why I am getting this error being all input validated?
Start Time: 29 November 2019 13:37:26
Running script GeneratePathways...
---All input feature classes' spatial references match.
FC = OMISSIS\_Indoors.gdb\AIIM\Facilities
---The Facilities ID fields in all feature classes have the same type: String
FC = OMISSIS\_Indoors.gdb\AIIM\Levels
---The Level ID fields in all feature classes have the same type: String
---The values in the Facilities ID field in the Building feature class are all unique.
---The values in the Level ID field in the Levels feature class are all unique.
Function validate_inputs completed successfully. Elapsed time: 8.15 seconds.
Processing facility OMISSIS\
Number of features in floorplan details layer: 7901
Number of features in floor levels layer: 1
Filtering input layers on the Building ID...
Creating template lattice for building OMISSIS\.
Function create_building_template_lattice completed successfully. Elapsed time: 2 minutes 13 seconds.
Creating floor latticess...
Processing lattice features for floor OMISSIS\.
Deleting short features...
Adding z values...
Loading features into feature class Pathways
must be str, not NoneType
Failed to execute (GeneratePathways).
Failed at 29 November 2019 13:41:46 (Elapsed Time: 4 minutes 20 seconds)