# Basic info <!--- Add commit SHA used to reproduce --> - Encoder (fixed): 2f76d0ad # Bug description When an unvoiced frame is coded at 32 kbps, bwe_exc_fx is not defined and should not be updated, st->hBWE_TD is NULL ``` IF( st->hBWE_TD != NULL ) { bwe_exc_fx = old_bwe_exc_fx + PIT16k_MAX * 2; /* pointer to BWE excitation signal in the current frame */ Copy( st->hBWE_TD->old_bwe_exc_fx, old_bwe_exc_fx, PIT16k_MAX * 2 ); // Q_new } ELSE { bwe_exc_fx = NULL; } so in the function encod_unvoiced_ivas_fx() the following line is missing : if ( st->hBWE_TD != NULL ) { interp_code_5over2_fx() Ln 483 ... ````  # Ways to reproduce <!-- Commandline or script --> ```bash IVAS_cod -STEREO 2 32000 48 testv\stvST48c.wav bit16400 ``` <!--- 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. -->