again added fix

app/Models/Account.php

@@ -6,10 +6,12 @@
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
 
 class Account extends Model
 {
     /** @use HasFactory<\Database\Factories\Person/AccountFactory> */
+    use SoftDeletes;
     use HasFactory;
 
     protected $fillable = [

app/Services/ImportProcessor.php

@@ -1633,7 +1633,7 @@ private function upsertAccount(Import $import, array $mapped, $mappings, bool $h
 
         $existing = Account::query()
             ->where('contract_id', $contractId)
-            ->where('reference', $reference)
+            //->where('reference', $reference)
             ->where('active', 1)
             ->first();
 
@@ -1656,6 +1656,10 @@ private function upsertAccount(Import $import, array $mapped, $mappings, bool $h
             $value = $acc[$field] ?? null;
             if (in_array($field, ['balance_amount', 'initial_amount'], true) && is_string($value)) {
                 $value = $this->normalizeDecimal($value);
+                // Ensure the normalized value is numeric, otherwise default to 0
+                if ($value === '' || $value === '-' || ! is_numeric($value)) {
+                    $value = 0;
+                }
             }
             // Convert empty string to 0 for amount fields
             if (in_array($field, ['balance_amount', 'initial_amount'], true) && ($value === '' || $value === null)) {
@@ -1689,8 +1693,12 @@ private function upsertAccount(Import $import, array $mapped, $mappings, bool $h
         if ($existing) {
             // Build non-null changes for account fields
             $changes = array_filter($applyUpdate, fn ($v) => ! is_null($v));
-            // Track balance change
+            // Track balance change - normalize in case DB has malformed data
-            $oldBalance = (float) ($existing->balance_amount ?? 0);
+            $rawBalance = $existing->balance_amount ?? 0;
+            if (is_string($rawBalance) && $rawBalance !== '') {
+                $rawBalance = $this->normalizeDecimal($rawBalance);
+            }
+            $oldBalance = is_numeric($rawBalance) ? (float) $rawBalance : 0;
             // Note: meta merging for contracts is handled in upsertContractChain, not here
             if (! empty($changes)) {
                 $existing->fill($changes);
@@ -1699,7 +1707,11 @@ private function upsertAccount(Import $import, array $mapped, $mappings, bool $h
 
             // If balance_amount changed and this wasn't caused by a payment (we are in account upsert), log an activity with before/after
             if (array_key_exists('balance_amount', $changes)) {
-                $newBalance = (float) ($existing->balance_amount ?? 0);
+                $rawNewBalance = $existing->balance_amount ?? 0;
+                if (is_string($rawNewBalance) && $rawNewBalance !== '') {
+                    $rawNewBalance = $this->normalizeDecimal($rawNewBalance);
+                }
+                $newBalance = is_numeric($rawNewBalance) ? (float) $rawNewBalance : 0;
                 if ($newBalance !== $oldBalance) {
                     try {
                         $contractId = $existing->contract_id;
@@ -3194,7 +3206,7 @@ private function upsertAddress(int $personId, array $addrData, $mappings): array
             ->first();*/
 
         // Build search query combining address, post_code and city
-        $searchParts = [$addrData['post_code']];
+        $searchParts = [$addrData['address']];
         if (!empty($addrData['post_code'])) {
             $searchParts[] = $addrData['post_code'];
         }
@@ -3204,7 +3216,7 @@ private function upsertAddress(int $personId, array $addrData, $mappings): array
 
         $searchQuery = implode(' ', $searchParts);
         // Use fulltext search (GIN index optimized)
-        $existing = PersonAddress::where('person_id', $personId)
+        $existing = PersonAddress::query()->where('person_id', $personId)
             ->whereRaw("search_vector @@ plainto_tsquery('simple', ?)", [$searchQuery])
             ->first();