Phenomenon
In Frame Lane, if you select a region where the stop codon does not appear and register that region as a new feature by right-clicking the mouse, that region will be complemented in the Description Window even though it is in Forward Strand.However, it occurs in the case of new registration from the 3rd frame of Forward Strand. Registration from the 1st and 2nd frames works normally.
Immediate countermeasures
Uncheck Complement in the Description Window and register.
Counter-measure
Bug fix Version IMC Ver.7.46 has been released (2020/12/09).