I would recommend contacting Promethean technical support directly.
You can fill in the form on the below link:
If possible, please add your flash file you are trying to import so we can also have a look at this.
Have you tried to set the Transparency option in the object browser to TRUE at all?
Please quote reference 00491280 on the form so we can relate to this forum post.
Promethean Technical Support
- Release notes for ActivInspire v2.21 (released 5 January 2021)
- Release notes for ActivPanel Elements Series v4.3.0 (released 16 December 2020) and v4.3.1 (released 7 January 2021)
- Release notes for myPromethean portal v1.4 (released 2 December 2020)
- Release notes for ActivConnect OPS-G v2.4.4 (released 16 October 2020)
- Release Notes for ActivPanel Elements Series v4.2.0 (released 30 September 2020)