# Basic info <!--- Add commit SHA used to reproduce --> - Fixed point: - Encoder (fixed): d68c8f8447 - Decoder (fixed): d68c8f8447 # Bug description The BASOP decoder produces assert in frame 645 when fed with a bitstream from BASOP encoder using MASA input generated from selection test material. Bitrate is 32 kbps and DTX is enabled. The stack trace is here  # Ways to reproduce Box folder: ...\Box_EXTERNAL_IVAS_BASOP_VERIFICATION\issues\issue-1218 <!-- Commandline or script --> Use the command lines with the material from Box. Note that this only happens with combination of BASOP encoder + BASOP decoder. ```bash IVAS_cod -masa 2 BASOP_Selection_MUSHRA-7ab_s13.met -max_band swb -dtx 32000 48 BASOP_Selection_MUSHRA-7ab_s13.wav test_0650.bs IVAS_dec EXT 48 test_0650.bs 0650_BASOP_Selection_MUSHRA-7ab_s13.wav_32k_48-48___EXT.wav ``` <!--- Below are labels that will be added but are not shown in description. This is a template to help fill them. Add further information to the first row and remove and add labels as necessary. -->