# ID 20088

Data type of external variable unknown.
Description | During start-up it is detected, that the data type of one of the external variables is unknown. The data type is defined in the list of external variables [EXTV] via the element "var[...].type".
Response | Class | 2 | Start-up of the control is continued. The external variables which were read in after the invalid data type are not stored inside the control, so they are not available after start-up.
Solution | Class | 3 | Change the invalid data type in the list of external variables [EXTV] and repeat start-up.
Parameter | %1: | Current value [-]
Index of the external variable with invalid data type
%2: | Current value [-]
%3: | Current value [-]
Error type | -