Good day mate,
According to your prompt error is
the transaction is too much
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I think the problem is it's too much large amount or it exceeds their maximum transaction try to make it a hundred first and if this may confirm its too good so you do not have a problem just try to lower your transaction. To make it easier to cut into the different transaction to avoid this error.
Also I highly recommend
I'm using the electrum for a long time and do not have a problem like this you can transfer your funds any amount you want without too much hassle. Also, the good thing is you can adjust the transaction fee.