Message type: E = Error
Message class: 37 - Screen Painter
Message number: 219
Message text: Type change between text field and input/output field is not possible
One of the following has occurred:
You are editing a screen element with type input/output field
(template) and have entered a non-allowed character for the first
character of the template (not '_' or '?'.
You are editing a screen element with table text field (key word) and
have
entered a text containing only underscores '_'
entered '?' as the first element of the text.
If the text you entered begins with '_' and you are editing a text
field (key word), the system regards the leading underscore as
meaningless and deletes it.
The system then decides the type of the screen element from the first
remaining character:
'?' Obligatory input/output field
'_' Input/output field
Other Text field
The first character that you entered does not correspond to the current
type of the element.
Since implicit type switching is no longer supported from Release 3.0
onwards, the system does not accept your entry.
Check your entry. If you really want to change the element type, you
need to delete the element and recreate it.
For pushbuttons and boxes, you can also change the type by setting and
resetting the 'Output field' attribute. You do not then need to delete
and recreate the element.
Error message extract from SAP system. Copyright SAP SE.
37219
- Type change between text field and input/output field is not possible ?The SAP error message 37219, which states "Type change between text field and input/output field is not possible," typically occurs when there is an attempt to change the data type of a field in a way that is not allowed by the SAP system. This often happens in the context of data dictionary objects, such as tables or structures, where a field is defined as a text field (e.g., CHAR, STRING) and there is an attempt to change it to an input/output field (e.g., INT, DEC).
Cause: Data Type Mismatch: The error arises when there is an inconsistency in the data types defined in the data dictionary. For example, if a field is defined as a text field and there is an attempt to use it as an input/output field in a program or function module. Field Definition Changes: If a field's definition is changed in a way that conflicts with its previous
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37218
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