Stepchart creation failed!

invalid SM file: measure with a strange number of notes (14 notes at line 4813), notes are: array(14) { [0]=> string(1) "0" [1]=> string(2) "00" [2]=> string(4) "0000" [3]=> string(2) "00" [4]=> string(2) "00" [5]=> string(4) "0000" [6]=> string(4) "0000" [7]=> string(4) "0000" [8]=> string(4) "0000" [9]=> string(4) "0000" [10]=> string(4) "0000" [11]=> string(4) "0000" [12]=> string(4) "0000" [13]=> string(4) "0000" }