diff --git a/plugins/fio_cz/fio_cz.zip b/plugins/fio_cz/fio_cz.zip
index 03b83172..7c561104 100644
Binary files a/plugins/fio_cz/fio_cz.zip and b/plugins/fio_cz/fio_cz.zip differ
diff --git a/plugins/fio_cz/src/manifest.json b/plugins/fio_cz/src/manifest.json
index 86327e61..a7c340d1 100644
--- a/plugins/fio_cz/src/manifest.json
+++ b/plugins/fio_cz/src/manifest.json
@@ -5,7 +5,7 @@
     "displayName": "Fio bank payment import",
     "description": "This plugin enables you to import payments from Fio bank to UCRM. See https://www.fio.cz/bankovni-sluzby/api-bankovnictvi",
     "url": "https://github.com/Ubiquiti-App/UCRM-plugins/tree/master/plugins/fio_cz",
-    "version": "1.2.9",
+    "version": "1.2.10",
     "unmsVersionCompliancy": {
       "min": "2.1.0",
       "max": null
diff --git a/plugins/fio_cz/src/src/Data/PluginData.php b/plugins/fio_cz/src/src/Data/PluginData.php
index 1921e011..365dead5 100644
--- a/plugins/fio_cz/src/src/Data/PluginData.php
+++ b/plugins/fio_cz/src/src/Data/PluginData.php
@@ -6,17 +6,17 @@
 
 class PluginData extends UcrmData
 {
-    public string $lastProcessedPayment;
+    public ?string $lastProcessedPayment = null;
 
-    public string $paymentMatchAttribute;
+    public ?string $paymentMatchAttribute = null;
 
-    public string $startDate;
+    public ?string $startDate = null;
 
-    public string $token;
+    public ?string $token = null;
 
-    public string $lastProcessedTimestamp;
+    public ?string $lastProcessedTimestamp = null;
 
-    public string $importUnattached;
+    public ?string $importUnattached = null;
 
-    public string $lastProcessedPaymentDateTime;
+    public ?string $lastProcessedPaymentDateTime = null;
 }
diff --git a/plugins/fio_cz/src/src/Importer.php b/plugins/fio_cz/src/src/Importer.php
index db9ce6a0..e3e2bcb6 100644
--- a/plugins/fio_cz/src/src/Importer.php
+++ b/plugins/fio_cz/src/src/Importer.php
@@ -120,12 +120,12 @@ public function import(): void
         } catch (Exception\CurlException $exception) {
             switch ($exception->getCode()) {
                 case 409:
-                    $optionsData->lastProcessedTimestamp = time();
+                    $optionsData->lastProcessedTimestamp = (string) time();
                     $this->optionsManager->updateOptions();
                     $this->logger->warning('HTTP Error 409 returned - usage limit exhausted, wait for 30s');
                     break;
                 case 500:
-                    $optionsData->lastProcessedTimestamp = time();
+                    $optionsData->lastProcessedTimestamp = (string) time();
                     $this->optionsManager->updateOptions();
                     $this->logger->error('HTTP Error 500 returned - is token valid and not expired?');
                     break;
diff --git a/plugins_2.1.x.json b/plugins_2.1.x.json
index adad652a..ab27afec 100644
--- a/plugins_2.1.x.json
+++ b/plugins_2.1.x.json
@@ -31,7 +31,7 @@
             "displayName": "Fio bank payment import",
             "description": "This plugin enables you to import payments from Fio bank to UCRM. See https:\/\/www.fio.cz\/bankovni-sluzby\/api-bankovnictvi",
             "url": "https:\/\/github.com\/Ubiquiti-App\/UCRM-plugins\/tree\/master\/plugins\/fio_cz",
-            "version": "1.2.9",
+            "version": "1.2.10",
             "unmsVersionCompliancy": {
                 "min": "2.1.0",
                 "max": null
diff --git a/plugins_2.2.x.json b/plugins_2.2.x.json
index adad652a..ab27afec 100644
--- a/plugins_2.2.x.json
+++ b/plugins_2.2.x.json
@@ -31,7 +31,7 @@
             "displayName": "Fio bank payment import",
             "description": "This plugin enables you to import payments from Fio bank to UCRM. See https:\/\/www.fio.cz\/bankovni-sluzby\/api-bankovnictvi",
             "url": "https:\/\/github.com\/Ubiquiti-App\/UCRM-plugins\/tree\/master\/plugins\/fio_cz",
-            "version": "1.2.9",
+            "version": "1.2.10",
             "unmsVersionCompliancy": {
                 "min": "2.1.0",
                 "max": null
diff --git a/plugins_2.3.x.json b/plugins_2.3.x.json
index c5d31de7..b86eb95f 100644
--- a/plugins_2.3.x.json
+++ b/plugins_2.3.x.json
@@ -31,7 +31,7 @@
             "displayName": "Fio bank payment import",
             "description": "This plugin enables you to import payments from Fio bank to UCRM. See https:\/\/www.fio.cz\/bankovni-sluzby\/api-bankovnictvi",
             "url": "https:\/\/github.com\/Ubiquiti-App\/UCRM-plugins\/tree\/master\/plugins\/fio_cz",
-            "version": "1.2.9",
+            "version": "1.2.10",
             "unmsVersionCompliancy": {
                 "min": "2.1.0",
                 "max": null
diff --git a/plugins_2.4.x.json b/plugins_2.4.x.json
index c5d31de7..b86eb95f 100644
--- a/plugins_2.4.x.json
+++ b/plugins_2.4.x.json
@@ -31,7 +31,7 @@
             "displayName": "Fio bank payment import",
             "description": "This plugin enables you to import payments from Fio bank to UCRM. See https:\/\/www.fio.cz\/bankovni-sluzby\/api-bankovnictvi",
             "url": "https:\/\/github.com\/Ubiquiti-App\/UCRM-plugins\/tree\/master\/plugins\/fio_cz",
-            "version": "1.2.9",
+            "version": "1.2.10",
             "unmsVersionCompliancy": {
                 "min": "2.1.0",
                 "max": null
diff --git a/plugins_2.5.x.json b/plugins_2.5.x.json
index c5d31de7..b86eb95f 100644
--- a/plugins_2.5.x.json
+++ b/plugins_2.5.x.json
@@ -31,7 +31,7 @@
             "displayName": "Fio bank payment import",
             "description": "This plugin enables you to import payments from Fio bank to UCRM. See https:\/\/www.fio.cz\/bankovni-sluzby\/api-bankovnictvi",
             "url": "https:\/\/github.com\/Ubiquiti-App\/UCRM-plugins\/tree\/master\/plugins\/fio_cz",
-            "version": "1.2.9",
+            "version": "1.2.10",
             "unmsVersionCompliancy": {
                 "min": "2.1.0",
                 "max": null