trial balance - troubleshooting

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assuming a trial balance needs to have exact same amount of debits and
credits

furthermore assuming if trial balance on Apr 14 is even but on Apr 15 is
unbalanced there must be one or more transaction(s) on Apr 14 (or Apr 15)
that have same unbalanced amount. And those have to be corrected. Is that
so?

I my case I only have 7 transactions on those 2 days and all balance up to
a nice 0

Any suggestions what the best way to troubleshoot such a scenario is?

I am living in a multi-currency world here, can that be causing such a
problem (conversion rates not being identical i.e.)?