diff --git a/scripts/import/import_tcrb.php b/scripts/import/import_tcrb.php
index 0fd3a69..68fde09 100644
--- a/scripts/import/import_tcrb.php
+++ b/scripts/import/import_tcrb.php
@@ -626,6 +626,11 @@ function parseWebObsPage(string $html): array
             }
         }
 
+        $magnitude = parseStrictDecimal($magnitudeText);
+        if ($magnitude === null) {
+            continue;
+        }
+
         $jd = (float) str_replace(',', '.', $jdText);
         $observedAtUtc = jdToUtcString($jd);
 
@@ -635,8 +640,8 @@ function parseWebObsPage(string $html): array
             'jd' => number_format($jd, 6, '.', ''),
             'observed_at_utc' => $observedAtUtc,
             'calendar_date_text' => $calendarDateText !== '' ? $calendarDateText : null,
-            'magnitude' => normalizeNumeric($magnitudeText),
-            'magnitude_error' => $magnitudeErrorText !== '' ? normalizeNumeric($magnitudeErrorText) : null,
+            'magnitude' => $magnitude,
+            'magnitude_error' => $magnitudeErrorText !== '' ? parseStrictDecimal($magnitudeErrorText) : null,
             'filter_code' => $filterCode !== '' ? $filterCode : null,
             'observer_code' => $observerCode !== '' ? $observerCode : null,
             'notes_raw' => $notesRaw,
@@ -662,6 +667,20 @@ function normalizeNumeric(string $value): string
     return str_replace(',', '.', trim($value));
 }
 
+function parseStrictDecimal(string $value): ?string
+{
+    $normalized = normalizeNumeric($value);
+    if ($normalized === '') {
+        return null;
+    }
+
+    if (preg_match('/^[+-]?\d+(?:\.\d+)?$/', $normalized) !== 1) {
+        return null;
+    }
+
+    return $normalized;
+}
+
 function jdToUtcString(float $jd): string
 {
     $jd += 0.5;
diff --git a/scripts/telegram/lib/tcrb_helpers.php b/scripts/telegram/lib/tcrb_helpers.php
index 1114acd..a2fb7b8 100644
--- a/scripts/telegram/lib/tcrb_helpers.php
+++ b/scripts/telegram/lib/tcrb_helpers.php
@@ -108,7 +108,7 @@ function buildTcrbLatestVMessage(array $observation, DateTimeImmutable $nowBerli
     $observedText = formatGermanDateTime($observedUtc);
     $magnitude = formatDecimal($observation['magnitude'] ?? null, 3);
     $magnitudeError = $observation['magnitude_error'] !== null
-        ? ' ± ' . formatDecimal($observation['magnitude_error'], 3)
+        ? ' ± ' . formatDecimal($observation['magnitude_error'], 3)
         : '';
     $jd = formatDecimal($observation['jd'] ?? null, 6);
     $observerCode = trim((string) ($observation['observer_code'] ?? ''));
@@ -120,7 +120,7 @@ function buildTcrbLatestVMessage(array $observation, DateTimeImmutable $nowBerli
         'Magnitude: ' . $magnitude . $magnitudeError,
         'Zeitpunkt: ' . $observedText,
         'JD: ' . $jd,
-        'Nächster möglicher Ausbruch: '. $nextPossibleEruptionDate,
+        'Nächster möglicher Ausbruch: ' . $nextPossibleEruptionDate,
     ];
     
 
diff --git a/scripts/telegram/lib/telegram_api.php b/scripts/telegram/lib/telegram_api.php
index 315a90b..c15ba05 100644
--- a/scripts/telegram/lib/telegram_api.php
+++ b/scripts/telegram/lib/telegram_api.php
@@ -9,7 +9,7 @@ declare(strict_types=1);
  * und Dokumenten. Die Cron-Tasks muessen dadurch keine Request-Details kennen.
  */
 
-require_once dirname(__DIR__, 2) . '/public/telegram/lib/http.php';
+require_once dirname(__DIR__, 3) . '/public/telegram/lib/http.php';
 
 
 function telegramHttpPostMultipart(string $url, array $fields, string $fileField, string $filePath, ?string $fileName = null): array