SPRUNCALCACCOUNT and [%TIME_SET%]

Greetings:

We are encountering inconsistent behavior with SPRUNCALCACCOUNT. At random times, it will calculate when we add [%TIME_SET%], and other times we have to remove [%TIME_SET%]. I have reviewed previous post ( that is where I got the idea to insert %TIME_SET%). I also reviewed the post entitled "Error Running SPRUNCALCACCOUNT". I do not think this applies because this inconsistent behavior presents itself to even those with Read/write access to both secure dimensions: Entity and Category. The rule is: