diff --git a/.github/workflows/tests.yaml b/.github/workflows/tests.yaml
index 04ace83..65b4859 100644
--- a/.github/workflows/tests.yaml
+++ b/.github/workflows/tests.yaml
@@ -44,3 +44,4 @@ jobs:
         pytest -vv tests/aya_pytest.py
         pytest -vv tests/test_sub_with_mapping_pytest.py
         pytest -vv tests/test_phonemes_search_pytest.py
+        pytest -vv tests/test_explain_error_pytest.py
diff --git a/pyproject.toml b/pyproject.toml
index 298216f..c829469 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ build-backend = "setuptools.build_meta"
 [project]
 license = "MIT"
 name = "quran-transcript"
-version = "0.5.1"
+version = "0.5.2"
 authors = [
   { name="Abdullah", email="abdullahamlyossef@gmail.com" },
 ]
diff --git a/src/quran_transcript/phonetics/error_explainer.py b/src/quran_transcript/phonetics/error_explainer.py
index 3b3974a..bdefca7 100644
--- a/src/quran_transcript/phonetics/error_explainer.py
+++ b/src/quran_transcript/phonetics/error_explainer.py
@@ -272,10 +272,17 @@ def explain_error(
             ph_pos = (ref_ph_start, ref_ph_end)
         else:
             # TODO: Make the uthmani posision more precise. Now we bound it to the aligments
-            uthmani_pos = (
-                ref_ph_to_uthmani[ref_ph_start],
-                ref_ph_to_uthmani[ref_ph_start],
-            )
+            if ref_ph_start in ref_ph_to_uthmani:
+                uthmani_pos = (
+                    ref_ph_to_uthmani[ref_ph_start],
+                    ref_ph_to_uthmani[ref_ph_start],
+                )
+            else:
+                uthmani_pos = (
+                    ref_ph_to_uthmani[ref_ph_start - 1],
+                    ref_ph_to_uthmani[ref_ph_start - 1],
+                )
+
             ph_pos = (ref_ph_start, ref_ph_start)
 
         # TODO: for insert and replace try to make explanation for special phoneme like madd, ikhfaa, iqlab, ..
@@ -418,8 +425,26 @@ def explain_error(
             elif ref_ph_groups[align.ref_idx][-1] in alph.phonetic_groups.residuals:
                 ...
 
+            # Sakin Letter
             else:
-                raise ValueError("Uncaptured Error Explanation")
+                error_type = (
+                    "tashkeel"
+                    if pred_ph[-1] in alph.phonetic_groups.harakat
+                    else "normal"
+                )
+
+                errors.append(
+                    ReciterError(
+                        uthmani_pos=uthmani_pos,
+                        ph_pos=ph_pos,
+                        error_type=error_type,  # TODO: try to estimate what is the Tajweed rule associated with this error type
+                        speech_error_type="insert",
+                        expected_ph=ref_ph,
+                        preditected_ph=pred_ph,
+                    )
+                )
+
+                # raise ValueError("Uncaptured Error Explanation")
 
         pred_ph_start = pred_ph_end
         ref_ph_start = ref_ph_end
diff --git a/tests/test_explain_error_api.py b/tests/test_explain_error_api.py
index d2345a7..76b9291 100644
--- a/tests/test_explain_error_api.py
+++ b/tests/test_explain_error_api.py
@@ -29,6 +29,9 @@
     # predicted_text = "ءَلِف لَااااااممممِۦۦۦۦۦۦم"
     # predicted_text = "ءَلِف لَاااااممممِۦۦۦۦۦۦم"
 
+    uthmani_text = "لَكَ"
+    predicted_text = "لَكَا"
+
     ref_ph_out = quran_phonetizer(uthmani_text, moshaf)
     print(ref_ph_out.phonemes)
     print(predicted_text)
diff --git a/tests/test_explain_error_pytest.py b/tests/test_explain_error_pytest.py
index 8eb5d48..cb4d3de 100644
--- a/tests/test_explain_error_pytest.py
+++ b/tests/test_explain_error_pytest.py
@@ -29,6 +29,8 @@ def moshaf():
 )
 def test_explain_error_cases(uthmani_text, predicted_text, moshaf):
     ref_ph_out = quran_phonetizer(uthmani_text, moshaf)
+    print(uthmani_text)
+    print(predicted_text)
     errors = explain_error(
         uthmani_text=uthmani_text,
         ref_ph_text=ref_ph_out.phonemes,
@@ -42,4 +44,3 @@ def test_explain_error_cases(uthmani_text, predicted_text, moshaf):
     for err in errors:
         assert 0 <= err.uthmani_pos[0] <= err.uthmani_pos[1] <= len(uthmani_text)
         assert 0 <= err.ph_pos[0] <= err.ph_pos[1] <= len(ref_ph_out.phonemes)
-
diff --git a/uv.lock b/uv.lock
index f7d108f..a0091b3 100644
--- a/uv.lock
+++ b/uv.lock
@@ -557,7 +557,7 @@ wheels = [
 
 [[package]]
 name = "quran-transcript"
-version = "0.5.1"
+version = "0.5.2"
 source = { editable = "." }
 dependencies = [
     { name = "fuzzysearch" },