I took down the picutres, because they have readable names on them. A little clarification: the S-89 has no 'lesson' field.
However, there is a space provided for those assignments that may have multiple instances during the same meeting. This space can hold info to distinguish between these items (1st Initial Call, 2nd Initial Call etc). In TB that distinction is made by printing the lesson# ( regardless of whether there actually are multiple instances of the item or not)
Now your issue: the lesson number is printed as 0, because in TB there is no lesson number. It is a mishap during import. Go to Settings, LMM Meeting, Schedule tab, find the week concerned in the top box, then the item in the bottom box. Scroll to the far right to the Study column, double click the 0 and replace by 1, I think it is. In my case (and in your case too) the study bit has become part of the talk description. You can change that in Source column.
Off topic: As an alternative to S-89, where you circled the 0 in your picture, go all the way down, click the copy button (two pages on top of each other) and paste into Whatsapp or SMS. You get a message that includes talk description/instructions.