VAST-2.0-nonlinear-unknown-child
<NonLinear> contains an unrecognised child element
ErrorSchemaIAB VAST 2.0 §2.4.3VAST 2.0 and later (all versions)
`<NonLinear>` has a defined set of allowed children per the VAST schema.
How to fix
Remove the unrecognised element from <NonLinear>.
Check your VAST tag for
VAST-2.0-nonlinear-unknown-child and other issues instantly.Validate a tag →Other Schema rules
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