Index: core/install/english.lang
===================================================================
--- core/install/english.lang
+++ core/install/english.lang
@@ -294,13 +294,13 @@
 			<PHRASE Label="LA_ERROR_USERNOTFOUND" Module="Core" Type="1">dXNlciBub3QgZm91bmQ=</PHRASE>
 			<PHRASE Label="la_error_YouMustSelectOnlyOneUser" Module="Core" Type="1">WW91IG11c3Qgc2VsZWN0IG9ubHkgb25lIHVzZXI=</PHRASE>
 			<PHRASE Label="la_err_bad_date_format" Module="Core" Type="1">SW5jb3JyZWN0IGRhdGUgZm9ybWF0LCBwbGVhc2UgdXNlICglcykgZXguICglcyk=</PHRASE>
-			<PHRASE Label="la_err_bad_type" Module="Core" Type="1">SW5jb3JyZWN0IGRhdGEgZm9ybWF0LCBwbGVhc2UgdXNlICVz</PHRASE>
+			<PHRASE Label="la_err_bad_type" Module="Core" Type="1">SW5jb3JyZWN0IGRhdGEgZm9ybWF0LCBwbGVhc2UgdXNlIHt0eXBlfQ==</PHRASE>
 			<PHRASE Label="la_err_invalid_format" Module="Core" Type="1">SW52YWxpZCBGb3JtYXQ=</PHRASE>
-			<PHRASE Label="la_err_length_out_of_range" Module="Core" Type="1">RmllbGQgdmFsdWUgbGVuZ3RoIGlzIG91dCBvZiByYW5nZSwgcG9zc2libGUgdmFsdWUgbGVuZ3RoIGZyb20gJXMgdG8gJXM=</PHRASE>
+			<PHRASE Label="la_err_length_out_of_range" Module="Core" Type="1">RmllbGQgdmFsdWUgbGVuZ3RoIGlzIG91dCBvZiByYW5nZSwgcG9zc2libGUgdmFsdWUgbGVuZ3RoIGZyb20ge21pbl9sZW5ndGh9IHRvIHttYXhfbGVuZ3RofQ==</PHRASE>
 			<PHRASE Label="la_err_Primary_Lang_Required" Module="Core" Type="1">UHJpbWFyeSBMYW5nLiB2YWx1ZSBSZXF1aXJlZA==</PHRASE>
 			<PHRASE Label="la_err_required" Module="Core" Type="1">RmllbGQgaXMgcmVxdWlyZWQ=</PHRASE>
 			<PHRASE Label="la_err_unique" Module="Core" Type="1">RmllbGQgdmFsdWUgbXVzdCBiZSB1bmlxdWU=</PHRASE>
-			<PHRASE Label="la_err_value_out_of_range" Module="Core" Type="1">RmllbGQgdmFsdWUgaXMgb3V0IG9mIHJhbmdlLCBwb3NzaWJsZSB2YWx1ZXMgZnJvbSAlcyB0byAlcw==</PHRASE>
+			<PHRASE Label="la_err_value_out_of_range" Module="Core" Type="1">RmllbGQgdmFsdWUgaXMgb3V0IG9mIHJhbmdlLCBwb3NzaWJsZSB2YWx1ZXMgZnJvbSB7bWluX3ZhbHVlfSB0byB7bWF4X3ZhbHVlfQ==</PHRASE>
 			<PHRASE Label="la_exportfoldernotwritable" Module="Core" Type="1">RXhwb3J0IGZvbGRlciBpcyBub3Qgd3JpdGFibGU=</PHRASE>
 			<PHRASE Label="la_fck_ErrorCreatingFolder" Module="Core" Type="1">RXJyb3IgY3JlYXRpbmcgZm9sZGVyLiBFcnJvciBudW1iZXI6</PHRASE>
 			<PHRASE Label="la_fck_ErrorFileName" Module="Core" Type="1">UGxlYXNlIG5hbWUgeW91ciBmaWxlcyB0byBiZSB3ZWItZnJpZW5kbHkuIFdlIHJlY29tbWVuZCB1c2luZyBvbmx5IHRoZXNlIGNoYXJhY3RlcnMgaW4gZmlsZSBuYW1lczogDQpMZXR0ZXJzIGEteiwgQS1aLCBOdW1iZXJzIDAtOSwgIl8iICh1bmRlcnNjb3JlKSwgIi0iIChkYXNoKSwgIiAiIChzcGFjZSksICIuIiAocGVyaW9kKQ0KUGxlYXNlIGF2b2lkIHVzaW5nIGFueSBvdGhlciBjaGFyYWN0ZXJzIGxpa2UgcXVvdGVzLCBicmFja2V0cywgcXVvdGF0aW9uIG1hcmtzLCAiPyIsICIhIiwgIj0iLCBmb3JlaWduIHN5bWJvbHMsIGV0Yy4=</PHRASE>
Index: core/install/upgrades.sql
===================================================================
--- core/install/upgrades.sql
+++ core/install/upgrades.sql
@@ -2909,3 +2909,16 @@
 WHERE PhraseKey = 'LA_SECTION_FILE';
 
 # ===== v 5.2.1 =====
+
+# ===== v 5.2.2-B1 =====
+UPDATE LanguageLabels
+SET l1_Translation = 'Incorrect data format, please use {type}'
+WHERE PhraseKey = 'LA_ERR_BAD_TYPE';
+
+UPDATE LanguageLabels
+SET l1_Translation = 'Field value is out of range, possible values from {min_value} to {max_value}'
+WHERE PhraseKey = 'LA_ERR_VALUE_OUT_OF_RANGE';
+
+UPDATE LanguageLabels
+SET l1_Translation = 'Field value length is out of range, possible value length from {min_length} to {max_length}'
+WHERE PhraseKey = 'LA_ERR_LENGTH_OUT_OF_RANGE';
Index: core/kernel/utility/validator.php
===================================================================
--- core/kernel/utility/validator.php
+++ core/kernel/utility/validator.php
@@ -208,7 +208,7 @@
 		}
 
 		if ( !$res ) {
-			$this->SetError($field, 'bad_type', null, Array ($params['type']));
+			$this->SetError($field, 'bad_type', null, array('type' => $params['type']));
 
 			return false;
 		}
@@ -256,7 +256,10 @@
 			if ( !isset($min_val) ) $min_val = '-&infin;';
 			if ( !isset($max_val) ) $max_val = '&infin;';
 
-			$this->SetError($field, 'value_out_of_range', null, Array ($min_val, $max_val));
+			$this->SetError($field, 'value_out_of_range', null, array(
+				'min_value' => $min_val,
+				'max_value' => $max_val
+			));
 
 			return false;
 		}
@@ -271,7 +274,11 @@
 		}
 
 		if ( !$res ) {
-			$error_params = Array ((int)getArrayValue($params, 'min_len'), (int)getArrayValue($params, 'max_len'), mb_strlen($val));
+			$error_params = array(
+				'min_length' => (int)getArrayValue($params, 'min_len'),
+				'max_length' => (int)getArrayValue($params, 'max_len'),
+				'value' => mb_strlen($val)
+			);
 			$this->SetError($field, 'length_out_of_range', null, $error_params);
 
 			return false;
@@ -425,7 +432,29 @@
 		$msg = $this->Application->ReplaceLanguageTags($msg, $force_escape);
 
 		if ( isset($this->FieldErrors[$field]['params']) ) {
-			return vsprintf($msg, $this->FieldErrors[$field]['params']);
+			$params = $this->FieldErrors[$field]['params'];
+		}
+		else {
+			$params = array();
+		}
+
+		$field_options = $this->dataSource->GetFieldOptions($field);
+
+		if ( $this->Application->isAdmin ) {
+			$field_phrase = !empty($field_options['admin_label']) ? $field_options['admin_label'] : 'la_fld_' . $field;
+		}
+		else {
+			$field_phrase = !empty($field_options['front_label']) ? $field_options['front_label'] : 'lu_fld_' . $field;
+		}
+
+		$params['field'] = $this->Application->Phrase($field_phrase);
+
+		foreach ( $params as $param_name => $param_value ) {
+			$msg = str_replace('{' . $param_name . '}', $param_value, $msg, $replacement_count);
+		}
+
+		if ( strpos($msg, '%s') !== false ) {
+			trigger_error('Unexpected "%s" in field "<b>' . $field . '</b>" validation error message (pseudo: "<b>' . $error_pseudo . '</b>") in "<b>' . $this->dataSource->Prefix . '</b>" unit', E_USER_WARNING);
 		}
 
 		return $msg;
@@ -501,4 +530,4 @@
 	{
 		$this->FieldErrors = Array();
 	}
-}
\ No newline at end of file
+}
Index: core/units/forms/form_submissions/form_submissions_eh.php
===================================================================
--- core/units/forms/form_submissions/form_submissions_eh.php
+++ core/units/forms/form_submissions/form_submissions_eh.php
@@ -166,6 +166,9 @@
 					}
 				}
 
+				$field_options['front_label'] = $options['FieldLabel'];
+				$field_options['admin_label'] = $options['Prompt'];
+
 				$conf_fields['fld_' . $field_id] = $field_options;
 			}