Getting Error line nr: 6 column nr: 50 message: cvc-pattern-valid: Value 'DIT-ONLINE' is not facet-v

Hi! Can someone help me with filing a rectification?

I am getting "The XML Schema is invalid. Please upload the XML in the correct schema. [Error line nr: 6
column nr: 50 message: cvc-pattern-valid: Value 'DIT-ONLINE' is not facet-valid with
respect to pattern (S][W]0-9](8) for type '#AnonType_SWCreatedByCreationinfo"."

and in XML file line item colored in yellow is mentioned below. 

<CreationInfo>
            <SWVersionNo>1.0</SWVersionNo>
            <SWCreatedBy>DIT-ONLINE</SWCreatedBy>
            <XMLCreatedBy>DIT-ONLINE</XMLCreatedBy>
            <XMLCreationDate>2021-03-25</XMLCreationDate>
            <IntermediaryCity>Delhi</IntermediaryCity>
        </CreationInfo>

Can someone help me fix this issue?

Regards!

Nimz