Cannot create package from teamserver MxCloud

When trying to create a package from the teamserver in de Mx Cloud an error occurs, see the stacktrace below. Does anyone knows what this means and what I can do?

When I create a package locally from the modeler and upload this, it works..

ERROR: System.Xml.Schema.XmlSchemaException: Referenced group http://schemas.xmlsoap.org/soap/encoding/:Array was not found in the corresponding schema. Related schema item SourceUri: , Line 55, Position 6.
at System.Xml.Schema.ValidationHandler.RaiseValidationEvent (System.Xml.Schema.ValidationEventHandler handle, System.Exception innerException, System.String message, System.Xml.Schema.XmlSchemaObject xsobj, System.Object sender, System.String sourceUri, XmlSeverityType severity) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaObject.error (System.Xml.Schema.ValidationEventHandler handle, System.String message, System.Exception innerException, System.Xml.Schema.XmlSchemaObject xsobj, System.Object sender) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaObject.error (System.Xml.Schema.ValidationEventHandler handle, System.String message) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaGroupRef.Validate (System.Xml.Schema.ValidationEventHandler h, System.Xml.Schema.XmlSchema schema) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaComplexType.ValidateParticle (System.Xml.Schema.ValidationEventHandler h, System.Xml.Schema.XmlSchema schema) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaComplexType.Validate (System.Xml.Schema.ValidationEventHandler h, System.Xml.Schema.XmlSchema schema) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaComplexType.ValidateBaseXmlSchemaType (System.Xml.Schema.ValidationEventHandler h, System.Xml.Schema.XmlSchema schema) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaComplexType.Validate (System.Xml.Schema.ValidationEventHandler h, System.Xml.Schema.XmlSchema schema) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaElement.Validate (System.Xml.Schema.ValidationEventHandler h, System.Xml.Schema.XmlSchema schema) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaAll.Validate (System.Xml.Schema.ValidationEventHandler h, System.Xml.Schema.XmlSchema schema) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaComplexType.ValidateParticle (System.Xml.Schema.ValidationEventHandler h, System.Xml.Schema.XmlSchema schema) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchemaComplexType.Validate (System.Xml.Schema.ValidationEventHandler h, System.Xml.Schema.XmlSchema schema) [0x00000] in <filename unknown>:0 
at System.Xml.Schema.XmlSchema.Validate (System.Xml.Schema.ValidationEventHandler handler) [0x00000] in <filename unknown>:0