SendKey really working

Hi,
I need to automate some Work. currently I'm typing a command in an Application "Amadeus Altea". Than I copy/paste the result in an Excel Sheet, where I do some other analysis there.
For the Analysis I have my macros and everything is working fine once the text got copied from Amadeus to excel.
The thing is Including the command I'm typing in Amadeus is a Date , and I need to repeat each time the same command for every day for the next 3 months. and all this weekly.

So far I managed to copy the command from excel to Amadeus (once it works fine I'll modify it so it generate the date automatic).
My Problem is I got it to work from Excel to Amadeus but not vice versa.

Here the code that work from Excel to Amadeus:

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But I can't manage to get it work from Amadeus to Excel

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Except the SendKeys ("^v") and SendKeys "{ENTER}" nothing works, I tried by the way SendKeys ("Test") and it did work, but I can't manage SendKeys ("^a") or SendKeys ("^c") to work.

In Amadeus you can hit Shift+Break and you would clear the entire Screen, even SendKeys ("+{BREAK}") didn't work.
I have been told to use Sleep, which I tried, even by adding

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but again nothing worked.

Try;

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that was fast..but unfortunately it didn't work

Try;

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unfortunately no.. I see that the macro is doing something because the cursor in "Amadeus" change from initially █ to I
But he don't select nothing and no copy as well. If I do manually Ctrl+a and Ctrl+c it works.

I just did several tests, Ctrl + v and Ctrl + c, and Enter all are working fine.. the problem remains with Ctrl+a he just don't do the Select.. is there an alternative???

Finally it works the problem was "A" (Ctrl+A). I tried it before with KeyPlusChar() .
I never thought that changing to the capital letter would make a difference.

please @Aranell can u send me the final script?