Its a 7/8 bar. So the challenge is to write double dotted half notes in the last bar. Normally Dorico writes a half note and a tied dotted quarter note. But thats not the result I want to achieve. So my workflow was this: I forced the duration (o) of a double dotted half note. Thats easy. Then I tied (T) one note of each double stop:
@PjotrB: Thanks! I didn’t see this mistake in the original file. Thank you! @musicmaven and pianoleo: yes. since I have to engrave an existing file I have to re-write these passages.