diff --git a/src/zabapgit_folder_logic.prog.abap b/src/zabapgit_folder_logic.prog.abap
index dcc9783a1..d0fc5516b 100644
--- a/src/zabapgit_folder_logic.prog.abap
+++ b/src/zabapgit_folder_logic.prog.abap
@@ -86,7 +86,7 @@ CLASS lcl_folder_logic IMPLEMENTATION.
       lv_parentcl = lcl_sap_package=>get( iv_package )->read_parent( ).
 
       IF lv_parentcl IS INITIAL.
-        lcx_exception=>raise( 'error, expected parent package' ).
+        lcx_exception=>raise( |error, expected parent package, { iv_package }| ).
       ELSE.
         CASE io_dot->get_folder_logic( ).
           WHEN lcl_dot_abapgit=>c_folder_logic-full.