Bug? Error with project with large number of files

Build modules tree: 0
B4A version: 10.0
.Net version: 4.0.30319.42000
Ini folder: C:\Users\Acer\AppData\Roaming\Anywhere Software\Basic4android
UDP server: 192.168.0.233, broadcast: 192.168.0.255
Java version: 11
Build modules tree: 0
Gui: 966
Gui: 314
Gui: 322
ExitCode: 1
Output:
jarsigner: unable to open jar file: bin\temp.ap_

Error:

jarsigner: unable to open jar file: bin\temp.ap_

System.NullReferenceException: Object reference not set to an instance of an object.
at a1.ac()
at gd.a(List`1 A_0)
at fr.a(List`1 A_0, String A_1)
at ch.h()
at cc.a(Object A_0)
Build modules tree: 525
Build modules tree: 3
*** no reuse ***
Compilation task: 372.3356
System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at hy.get_Item(a key)
at hr.as()
at fk.b(hr A_0, Boolean A_1)
at l.c()
at ga.a(Object A_0)
Build modules tree: 1
*** no reuse ***
Gui: 853
Gui: 130
Compilation task: 107.6394

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