diff --git a/Pipfile b/Pipfile
index 99e05a9..9a528d3 100644
--- a/Pipfile
+++ b/Pipfile
@@ -7,7 +7,7 @@ name = "pypi"
 attrs = ">=24.2.0"
 bs4 = ">=0.0.2"
 charset-normalizer = ">=3.4.0"
-django = ">=5.1.0"
+django = ">=5.1.3"
 GTC = ">=1.5.1"
 gunicorn = ">=23.0.0"
 html5 = ">=0.0.9"
@@ -17,7 +17,7 @@ owlready2 = ">=0.47"
 pnglatex = ">=1.1"
 pylatexenc = ">=2.10"
 pymysql = "==1.1.1"
-pytz = ">=2024.2"
+pytz = ">=2024.1"
 pyyaml = ">=6.0.2"
 qwikidata = ">=0.4.2"
 rdflib = ">=7.1.0"
diff --git a/dashboard/example.py b/dashboard/example.py
index 3f84e9c..9070e13 100644
--- a/dashboard/example.py
+++ b/dashboard/example.py
@@ -732,18 +732,19 @@
             quant['sect'] = None
         if 'isq' in keys:
             isq = q['isq']['value']
-            tmp = re.findall(r'alttext="\{(.+?)}"', isq)
-            isq = (tmp[0].replace("\\displaystyle", '').replace("\\mathsf", '').replace(' ', '').
-                   replace('{{', '').replace('}}', ''))
-            quant['isq'] = isq
+            if 'merror' in isq:
+                quant['isq'] = None
+            else:
+                tmp = re.findall(r'alttext="\{(.+?)\}"', isq)
+                isq = (tmp[0].replace("\\displaystyle", '').replace("\\mathsf", '').replace(' ', '').
+                    replace('{{', '').replace('}}', ''))
+                quant['isq'] = isq
         else:
             quant['isq'] = None
         qnt = None
         if quant['source'] and quant['sect']:
             num = re.findall(r'([A-Z]{3}) 80000-(\d+?):', str(quant['source']))
             isocode = num[0][0] + '-80000-' + num[0][1]
-            print(isocode)
-
             # search the quantities table for quantity based on the source and section
             found = Quantities.objects.filter(iso_source=isocode, iso_item=quant['sect'])
             if found:
diff --git a/static/umis_quants_query_112024.json b/static/umis_quants_query_112024.json
index c033830..1d6b0b8 100644
--- a/static/umis_quants_query_112024.json
+++ b/static/umis_quants_query_112024.json
@@ -216,7 +216,7 @@
     {
         "qntid": "http://www.wikidata.org/entity/Q11376",
         "quant": "acceleration",
-        "isq": "<math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"block\" alttext=\"{\\displaystyle {\\mathsf {L}}{\\mathsf {T}}^{-2}}\">\n  <semantics>\n    <mrow class=\"MJX-TeXAtom-ORD\">\n      <mstyle displaystyle=\"true\" scriptlevel=\"0\">\n        <mrow class=\"MJX-TeXAtom-ORD\">\n          <mrow class=\"MJX-TeXAtom-ORD\">\n            <mi mathvariant=\"sans-serif\">L</mi>\n          </mrow>\n        </mrow>\n        <msup>\n          <mrow class=\"MJX-TeXAtom-ORD\">\n            <mrow class=\"MJX-TeXAtom-ORD\">\n              <mi mathvariant=\"sans-serif\">T</mi>\n            </mrow>\n          </mrow>\n          <mrow class=\"MJX-TeXAtom-ORD\">\n            <mo>&#x2212;<!-- − --></mo>\n            <mn>2</mn>\n          </mrow>\n        </msup>\n      </mstyle>\n    </mrow>\n    <annotation encoding=\"application/x-tex\">{\\displaystyle {\\mathsf {L}}{\\mathsf {T}}^{-2}}</annotation>\n  </semantics>\n</math>",
+        "isq": "<math xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"block\" alttext=\" \">\n  <semantics>\n    <mrow class=\"MJX-TeXAtom-ORD\">\n      <mstyle displaystyle=\"true\" scriptlevel=\"0\">\n        <mrow class=\"MJX-TeXAtom-ORD\">\n          <mrow class=\"MJX-TeXAtom-ORD\">\n            <mi mathvariant=\"sans-serif\">L</mi>\n          </mrow>\n        </mrow>\n        <msup>\n          <mrow class=\"MJX-TeXAtom-ORD\">\n            <mrow class=\"MJX-TeXAtom-ORD\">\n              <mi mathvariant=\"sans-serif\">T</mi>\n            </mrow>\n          </mrow>\n          <mrow class=\"MJX-TeXAtom-ORD\">\n            <mo>&#x2212;<!-- − --></mo>\n            <mn>2</mn>\n          </mrow>\n        </msup>\n      </mstyle>\n    </mrow>\n    <annotation encoding=\"application/x-tex\">{\\displaystyle {\\mathsf {L}}{\\mathsf {T}}^{-2}}</annotation>\n  </semantics>\n</math>",
         "source": "ISO 80000-3:2019 Quantities and units — Part 3: Space and time",
         "sect": "3-9.1"
     },