Empty WebUI after upgrade

Symptom

After upgrading an AIMMS Project developed in AIMMS 4.59 or older, directly to AIMMS 4.68 or newer, the WebUI appears empty.

Explanation

Considerable thought and refactoring work has gone into serialization of the WebUI during the 4.60 to AIMMS 4.68 and newer in several steps; to make the serialization of the WebUI specification:

  1. More robust

  2. More git friendly, and

  3. Much faster

Solution

In the article on the evolution of the WebUI several steps are described. By at least executing the following steps, the WebUI created is retained.

#. Switch to Map V2

  1. Filtering and new UX Theme

  2. Serialize WebUI specification with a single file