diff --git a/workflow/ams/rechnungseingang-sachrechnung-ams-1.0.0.bpmn b/workflow/ams/rechnungseingang-sachrechnung-ams-1.0.0.bpmn
index 88a2379..d1197e1 100644
--- a/workflow/ams/rechnungseingang-sachrechnung-ams-1.0.0.bpmn
+++ b/workflow/ams/rechnungseingang-sachrechnung-ams-1.0.0.bpmn
@@ -3763,8 +3763,7 @@ Betrag: <itemvalue>_amount</itemvalue> (Brutto € <itemvalue>_amount_brutto</it
       <bpmn2:documentation id="documentation_hiru2Q"/>
     </bpmn2:sequenceFlow>
     <bpmn2:sequenceFlow id="SequenceFlow_76" name="credit" sourceRef="ExclusiveGateway_4" targetRef="Task_12">
-      <bpmn2:conditionExpression id="FormalExpression_3" xsi:type="bpmn2:tFormalExpression">
-        workitem['payment.type'][0]=="credit"</bpmn2:conditionExpression>
+      <bpmn2:conditionExpression id="formalExpression_LIiXTg" xsi:type="bpmn2:tFormalExpression"><![CDATA[workitem.getItemValueString('payment.type')=="credit"]]></bpmn2:conditionExpression>
       <bpmn2:documentation id="documentation_IBUJBQ"/>
     </bpmn2:sequenceFlow>
     <bpmn2:intermediateThrowEvent id="IntermediateThrowEvent_6" name="ERLEDIGT">
diff --git a/workflow/rechnungseingang-de-1.2.42.bpmn b/workflow/rechnungseingang-de-1.2.42.bpmn
index 63168b5..25e3856 100644
--- a/workflow/rechnungseingang-de-1.2.42.bpmn
+++ b/workflow/rechnungseingang-de-1.2.42.bpmn
@@ -5284,8 +5284,8 @@ result.isValid=true;
       <bpmn2:documentation id="documentation_14oHxA"/>
     </bpmn2:sequenceFlow>
     <bpmn2:sequenceFlow id="SequenceFlow_107" sourceRef="ExclusiveGateway_7" targetRef="ExclusiveGateway_8">
-      <bpmn2:conditionExpression id="FormalExpression_2" xsi:type="bpmn2:tFormalExpression">workitem['sb.assist']
-        &amp;&amp; ( workitem['sb.assist'][0]!="-" &amp;&amp; workitem['sb.assist'][0]!="")</bpmn2:conditionExpression>
+      <bpmn2:conditionExpression id="formalExpression_yLQjCA" xsi:type="bpmn2:tFormalExpression"><![CDATA[workitem.getItemValueString("sb.assist")]!="-" && workitem.getItemValueString("sb.assist")!="")
+]]></bpmn2:conditionExpression>
       <bpmn2:documentation id="documentation_jt6K5w"/>
     </bpmn2:sequenceFlow>
     <bpmn2:intermediateThrowEvent id="IntermediateThrowEvent_7" name="VERTEILEN">
@@ -5926,7 +5926,7 @@ result.isValid=true;
       <bpmn2:documentation id="documentation_vEAQmg"/>
     </bpmn2:sequenceFlow>
     <bpmn2:sequenceFlow id="SequenceFlow_121" sourceRef="ExclusiveGateway_4" targetRef="Task_5005">
-      <bpmn2:conditionExpression id="formalExpression_VhfUIw" xsi:type="bpmn2:tFormalExpression"><![CDATA[workitem.getItemValuString("sb.assist")=== '-' || ''===workitem.getItemValueString("sb.assist")]]></bpmn2:conditionExpression>
+      <bpmn2:conditionExpression id="formalExpression_fTSHJQ" xsi:type="bpmn2:tFormalExpression"><![CDATA[workitem.getItemValueString("sb.assist")=== '-' || ''===workitem.getItemValueString("sb.assist")]]></bpmn2:conditionExpression>
       <bpmn2:documentation id="documentation_60xF0A"/>
     </bpmn2:sequenceFlow>
     <bpmn2:sequenceFlow id="SequenceFlow_126" sourceRef="IntermediateCatchEvent_3" targetRef="Task_14">
diff --git a/workflow/rechnungseingang-sachrechnung-de-1.0.23.bpmn b/workflow/rechnungseingang-sachrechnung-de-1.0.23.bpmn
index 5a10112..41c93c4 100644
--- a/workflow/rechnungseingang-sachrechnung-de-1.0.23.bpmn
+++ b/workflow/rechnungseingang-sachrechnung-de-1.0.23.bpmn
@@ -3751,8 +3751,7 @@ Betrag: <itemvalue>_amount</itemvalue> (Brutto € <itemvalue>_amount_brutto</it
       <bpmn2:documentation id="documentation_hiru2Q"/>
     </bpmn2:sequenceFlow>
     <bpmn2:sequenceFlow id="SequenceFlow_76" name="credit" sourceRef="ExclusiveGateway_4" targetRef="Task_12">
-      <bpmn2:conditionExpression id="FormalExpression_3" xsi:type="bpmn2:tFormalExpression">
-        workitem['payment.type'][0]=="credit"</bpmn2:conditionExpression>
+      <bpmn2:conditionExpression id="formalExpression_WHxJgw" xsi:type="bpmn2:tFormalExpression"><![CDATA[workitem.getItemValueString('payment.type')=="credit"]]></bpmn2:conditionExpression>
       <bpmn2:documentation id="documentation_IBUJBQ"/>
     </bpmn2:sequenceFlow>
     <bpmn2:intermediateThrowEvent id="IntermediateThrowEvent_6" name="ERLEDIGT">