diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index cb532dd7d9372fc74b4c2d3ef3a80b4c90777297..91fbd05697e59afe64db1135eeb65faf5881996c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -601,6 +601,10 @@ stages:
   script:
     - *print-common-info
 
+    # create empty files for all artifacts to suppress warnings in case of no regressions found or all is BE
+    - touch $XML_REPORT_BRANCH $XML_REPORT_MAIN $HTML_REPORT_BRANCH $HTML_REPORT_MAIN $CSV_BRANCH $CSV_MAIN $SUMMARY_HTML_ARTIFACT_NAME $FLOAT_REF_COMMIT_FILE $CUT_COMMIT_FILE $MERGE_TARGET_COMMIT_FILE regressions_crashes.csv regressions_MLD.csv regressions_MAXIMUM_ABS_DIFF.csv regressions_MIN_SSNR.csv regressions_MIN_ODG.csv improvements_crashes.csv improvements_MLD.csv improvements_MAXIMUM_ABS_DIFF.csv improvements_MIN_SSNR.csv improvements_MIN_ODG.csv
+    - mkdir $IMAGES_ARTIFACT_NAME
+
     - set -euxo pipefail
 
     - if [ -s $FAILED_TESTCASES_LIST ]; then
@@ -646,7 +650,6 @@ stages:
     - mv tests/dut tests/dut_branch
 
     # create the summary based on the branch
-    - mkdir $IMAGES_ARTIFACT_NAME
     - for MEASURE in MLD DIFF SSNR ODG;do python3 scripts/create_histogram_summary.py $CSV_BRANCH $IMAGES_ARTIFACT_NAME/summary_"$MEASURE".csv $IMAGES_ARTIFACT_NAME/summary_"$MEASURE".png --measure $MEASURE; done
     - python3 ci/basop-pages/create_summary_page.py $SUMMARY_HTML_ARTIFACT_NAME $CI_JOB_ID $CI_JOB_NAME
 
@@ -748,7 +751,7 @@ stages:
     - set -euxo pipefail
     - make_args="CLANG=$CLANG_NUM"
     - if [[ $CLANG_NUM == 3 ]]; then
-    -   export UBSAN_OPTIONS="suppressions=scripts/ubsan_basop.supp,report_error_type=1"
+    -   export UBSAN_OPTIONS="suppressions=scripts/ubsan_basop.supp,report_error_type=1,print_stacktrace=1"
     -   python3 scripts/basop_create_ignorelist_for_ubsan.py
     -   make_args="$make_args IGNORELIST=1"
     - fi