Error that Music Bee asked me to report

[AJJACK]

I was synchronising files from Windows 10 to a Samsung S5 Mini and and I got the error synchronisation failed.
Another window contained the following error.
MusicBee v3.2.6761.30746 (Win10.0), 20 Jul 2018 7:23:

System.NullReferenceException: Object reference not set to an instance of an object.
   at #=zbi$D0kOumjvw9v0wvi6HdEQXFKt$.#=zYEzDxa6xgz537b6Mpw==(#=zPnvbHDdt6dyO1o88Z2QXHA0= #=zjbXtsEM=)
   at #=zUk4$WXgyWpq1Xpco7x7rd_E=.#=zVyQowOAhycYquKf0ig==(Boolean #=zbyKozhYC61j4yxnDFg==, Boolean #=z1syMbJRFqI5k, Dictionary`2 #=zVE7Hc7Uqe7HS, List`1 #=zRkFKvlNLGfUWSODW$Q==, Object #=zrkBin_kRKovk)
   at #=zUk4$WXgyWpq1Xpco7x7rd_E=.#=zVyQowOAhycYquKf0ig==(Boolean #=zbyKozhYC61j4yxnDFg==, #=z_PChIbVLI$jfn_R0TJOJqIM= #=zVT7OIEXU7J_d, Object #=zrkBin_kRKovk)
   at #=zUk4$WXgyWpq1Xpco7x7rd_E=.#=zVyQowOAhycYquKf0ig==(Object #=zrkBin_kRKovk)
   at #=zquhkh400oV4E2AHqwtQ5UTw=.#=zbkFkBLayr6zMK6y$_bJv0xitZ4p1(Object #=zfcc9cME=)

Regards
AJ