add log error message

Author: hafarooki

imap_processing/ialirt/l0/process_swapi.py

@@ -135,7 +135,8 @@ def optimize_pseudo_parameters(
 
         if covariance_matrix_is_finite and R2_is_acceptable:
             sol = curve_fit_output[0]
-    except RuntimeError as _:
+    except RuntimeError as runtime_error:
+        logger.error(f"curve_fit failed", runtime_error)
         sol = None
 
     # report speed only if fit fails