www.makemkv.com

i am getting this error when i try to do MakeMKV.

The source file '/BDMV/STREAM/01207.m2ts' is corrupt or invalid at offset 21478373376, attempting to work around
The source file '/BDMV/STREAM/01207.m2ts' is corrupt or invalid at offset 21478373376, attempting to work around
The source file '/BDMV/STREAM/01207.m2ts' is corrupt or invalid at offset 21478373376, attempting to work around
The source file '/BDMV/STREAM/01207.m2ts' is corrupt or invalid at offset 21478373376, attempting to work around
The source file '/BDMV/STREAM/01207.m2ts' is corrupt or invalid at offset 21478373376, attempting to work around
The source file '/BDMV/STREAM/01207.m2ts' is corrupt or invalid at offset 21478373376, attempting to work around
The source file '/BDMV/STREAM/01207.m2ts' is corrupt or invalid at offset 21478373376, attempting to work around
The source file '/BDMV/STREAM/01207.m2ts' is corrupt or invalid at offset 21941145600, attempting to work around
The source file '/BDMV/STREAM/01207.m2ts' is corrupt or invalid at offset 20900001792, attempting to work around
Failed to save title 2 to file D:/Movies/The LEGO® Movie 2- The Second Part_t02.mkv
Encountered 1 errors of type 'HashCheck Error' - see http://www.makemkv.com/errors/hashcheck/...
0 titles saved, 1 failed

i have used this Bru-ray driver manytimes with no issue and even done a movie after the Lego Movie and it works. do i need to get the AACS code?

Update:

issue; Disk was dirty. i clean it and tried again. work. should have check to see if it was clean 1st.