# Basic info <!--- Add commit SHA used to reproduce --> - Encoder (fixed): ae6313fd - Decoder: N/A # Bug description The fixed point encoder crashes with an assert: ``` Assertion failed: (0), function L_shl, file basop32.c, line 2580. ```   # Ways to reproduce Input vector has been uploaded. ```bash ./IVAS_cod_fx -mc 5_1 -max_band WB 13200 48 bm2aa1s12_48.10dB.wav bit ``` The same issue occurs for 16.4, 24.4 and 32 kbps. Additionally the same error about IGF as in #1129 is reported on the commandline. <!--- 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. -->