having difficulty updating db

[OwnDog]

MusicBee v3.3.6962.33505 (Win10.0), 24 Feb 2019 5:15:

System.OutOfMemoryException: Exception of type 'System.OutOfMemoryException' was thrown.
   at System.String.ConcatArray(String[] values, Int32 totalLength)
   at System.String.Concat(String[] values)
   at #=zJCaZKH6uSt6p3SosZzNBspg=.#=zDJV769Jfxx6X(String #=zb8tRwJU=, List`1 #=zwl3UI6s=, String #=zvD4_kh5WPUSO)
   at #=zkbyp5nnpEqGPQqLzM2Aej50=.#=zqnbQinWIAIeE(#=znwjITNdal30X #=z5WdXp8w=, Boolean #=znhtotP1QXp_L)
   at #=zH5HxHVt5Vq$9ZhdYbbiMMjM=.#=znwjITNdal30X.#=z3GyBUsy8x0P0()

[phred]

What are you doing when this error is thrown?
Is it reproducible every time? Please provide step by step instructions.