Exceptions thrown (but not limited to):

IpfcXToolkitNotFound - This means either:

• There was no tolerance label, OR
• There was no corresponding tolerance table.

IpfcXToolkitBadContext - This means either:

• The model is not in the ISO/DIN standard, OR
• The input dimension is reference, OR
• The dimension has no tolerance (a driven dim) or the model is not in the ISO/DIN standard.

IpfcXToolkitCantModify - The model is locked and cannot be modified.

IpfcXToolkitCantAccess - The table was valid but could not be accessed because it had not yet been loaded.

Returns: