Excel settings Macro - the macro may not be available in this workbook

I havent been working for while with vba and it seems Excel has changed.

Created a button (not activeX) and assigned macro to it

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Message
the macro may not be available in this workbook

- trust settings (ticked off)
enabled vba macro's (not recommended potential dangerous blabla)
enabled Excel macros when vba macros are enabled
Trust access to vba project object model

- File block Settings
Excel 4 workbooks
Excel 4 3 2 worksheets
Excel 4 3 2 macro sheets addin-files
- Open Selected file types in protected view and allow editing. ticked off

- ActiveX settings -> Enable all potential dangerous balbal) + Safe mode ticked off

- Protected view
first two not

- Messagebar
Show the message bar in all apps active content etc

What am i missing here to get this working? So stupid such simple thing does work..
I mean did Excel (365 MSO 64bit) change that much?

Do you have a macro called macroname? If not, the error is caused by your OnTime call.

What is the exact error message - specifically which macro is mentioned?