Dear Wolfgang,
>> I couldn’t figure out what relation is there between Theorems and Exam.
> The numbers are correct with the latest beta.
>
> mtx-context | current version: 2019.02.10 17:43
>
You are right. The example which I sent last time had no problem in numbers.
I checked it by

Jeong Dal schrieb am 11.02.19 um 11:17:
2. Also, the numbers of examples is not reset even though the new chapter
began,
for example, Example 2.3, 2.4, 3.5, 3.6 etc.
However, I couldn’t make the same error with this code,
It never happened without theorems, but it appeared when I added

Dear all,
Since the customized Theorem structure is already complicate, I just extract
\index from the title as following:
\startTheorem{\bf title of theorem}
\index{title of theorem}
bla bla bla
\stopTheorem
In this way, I cleared the message "[entry not flushed]” in the indices.
There may be

Dear all,
I just found that the counter problem has no relation with theorems.
It happened without theorems while some examples worked correctly.
There may be another problem in my definitions in environment file.
I’ll do more tests.
Thank you for reading.
Best regards,
Dalyoung

Dear all,
I used a customized Theorem structure which is made by the help of experts in
this list.
I have two questions.
1. Recently I added titles of theorems which was indexed and found a strange
error message "[entry not flushed]” in the list of index.
Please run the following sample