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From: Simon Wright <simon@pushface.org>
Newsgroups: comp.lang.ada
Subject: Re: Problem Cross - Posted fron  Sci Crypt Crypto Group
Date: Sun, 04 Nov 2018 15:27:25 +0000
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Date: 2018-11-04T15:27:25+00:00
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There doesn't appear to be any group "Sci Crypt Crypto".

It's extraordinarily unlikely that you'd get a constraint error from
I/O.

The most likely reason is that you have an array in your code with
bounds such as 1 .. 100_000 and your code is exceeding these bounds.

But the chance of anyone here being able to help you find out where is
also on the low side, since you haven't posted any code (note, I'm not
inviting you to, since the last time I tried to help you you completely
ignored my suggestions).

You would almost certainly gain from using an up-to-date compiler
(https://www.adacore.com/community).

Even if you won't do that, try compiling with appropriate options:
"gnatmake -g -O0 your_program.adb" will probably give you the line
number where the CE is happening.