Draw brush isn't working in texture painting

[JBgames]

Draw brush isn’t working. I can’t get it to activate. However the fill brush works just fine. No idea how to fix

[NP5]

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General Q&A note
Please give full screenshots with any questions. With the relevant panels open.
Also include the lecture time that is relevant to the problem/issue.
This can be done by Blender itself, via the ‘Window’ menu bar top left hand side. On that menu drop down is ‘save screenshot’.

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