Is this a bug report?

(write your answer here)
yes

Have you read the Contributing Guidelines?

(Write your answer here.)
No

Environment

on 0.38

Steps to Reproduce

(Write your steps here:)
This is a production line crash.It happens many times on different phones and different Android versions. Based on the error log, we can only conclude that there was a problem with merging business documents and infrastructure documents after verifying file availability. In debug mode has not happened, so the steps are unknown.
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Expected Behavior

(Write what you thought would happen.)

Actual Behavior

(Write what happened. Add screenshots!)

Reproducible Demo

(Paste the link to an example project and exact instructions to reproduce the issue.)