Currently playlist names disallow certain characters and long names can cause error alerts. See below. This is apparently because the playlist names are used as filenames on disc. Please lift the restrictions e.g. by using filenames that are filtered and abbreviated versions of the playlist names, but still recognisable to the user.
2 An attempt to Rename to e.g. AC/DC silently fails.
2016-10-31 12:50:41 - 6.1.7601.65536 - 3.0.6132.15853 - System.IO.PathTooLongException: The specified path, file name, or both are too long. The fully qualified file name must be less than 260 characters, and the directory name must be less than 248 characters.
at System.IO.PathHelper.GetFullPathName()
at System.IO.Path.NormalizePath(String path, Boolean fullCheck, Int32 maxPathLength)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy, Boolean useLongPath, Boolean checkHost)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)
at #=qUl_NkFB4TqmaR8JJVkfaQW0ZW07odoCQAvSC0_keEWY=.#=qPDaBae3pmqXS5BQEftZW1Q==(#=qsJYdmC4tDNAZsdKWAFZ13w== #=q_v7VUea7M4QtKKcX4kcRHg==, FileOptions #=qOSVu7VE_ElUZQRC0hHVWAw==)
at MusicBee.Media.StorageManager.#=qo6or7ccpcKHpz5AZ9yyi7A==(#=qsJYdmC4tDNAZsdKWAFZ13w== #=qgQAwoXZDcQzu_RUSaydp8g==, FileOptions #=q6vOLtsZQOKi5oeTvrmVi2Q==)
at #=qRo9BMvebBCa$_whkMEV0_tXo$$nUHMmM$SUbz043_Dg=.#=q8y6RC9z4ssTotvFuEVLjvTnFdqtJffqlmrld1nn8Wmw=(Boolean #=qtPJ4eruqqhqf1tVRyaPOgA==)
at #=qRo9BMvebBCa$_whkMEV0_tXo$$nUHMmM$SUbz043_Dg=.#=qTV1PeQyLNMgTytxCC7$dnA==(SortOrder #=qFlhev9Hx2g8DkIIMAPA9WA==)
at #=q7FYC8Q0h$B0hasiAMDnoNF1Wna9O1eT2hfT3JdljlqU=.#=qxX$ikRKDUSoFQwBZf8X5gA==.#=qFJe06NOHYgj1Nggn8rsXhA==(#=qsJYdmC4tDNAZsdKWAFZ13w== #=qR4YoE7j7ckK$L$mc$$X82A==, #=qyXmV84TNZ9kJvSLzbwE0vBrPx$BhuHFnDIuB$gA8q54= #=qjlbjPBQd2_mKz0z94C21WQ==)
at #=q2eHwz6tcXvldFilIiulJdbnGlYOQfR1kTsu$ASucChDM_gtMCYQTaM9b3zkWYmGC.#=q4lChHzN$sEgqMrl5AdU5SdEWdmyqCWxrjssyEaQXrmk=(IList`1 #=qeFnhEzJmIPe3VcxXU9hxfw==, Boolean #=qhBeBOn2F8TNaxOY4AHxzoQ==, Boolean #=qGEiWDmlOBOXO3kAh8W3uXKbrrGVKJP4VCEwDX7Qpwuk=)