'[Android Studio]: Illegal processing instruction target ("xml"); xml (case insensitive) is reserved by the specs

:app:mergeDebugResources 1error

Illegal processing instruction target ("xml"); xml (case insensitive) is reserved by the specs.
 at [row,col {unknown-source}]: [5,9]

what does it says?

please help!! Thanks in advance.



Solution 1:[1]

you have two lines like
<xml version="1.0" encoding="utf-8>
in some .xml file

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Yunnosch