Hey guys, I’m asking this on behalf of my friend because his case is really messy and we’re not sure what to do 
So here’s the situation:
My friend is an Indonesian citizen. He previously held a long-term residence permit in another EU country (but it expired while he was still abroad). He is now trying to apply for a Schengen visa for a business trip, but:
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He has two employers (one local, one foreign) paying him at the same time.
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The foreign employer wants him to attend a meeting in Germany, but the invitation letter mentions a different company name because of a recent merger.
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His local bank account shows three large incoming transfers from unrelated companies (he says they’re reimbursements, but no receipts).
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He overstayed by 2 days once in the Schengen area 4 years ago, but was never fined or recorded (as far as he knows).
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His passport has a mismatch: one page lists his place of birth as “Padang,” another page “Kab. Padang Pariaman” due to an old issuance error.
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His travel itinerary requires him to enter through France, but all appointments at the French embassy are full, so he wants to apply at the German embassy instead.
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His expired EU residence permit was not deregistered properly, and the system might still show him as “resident abroad.”
Given all of this…
Which embassy should he apply to?
Will the old residence permit issue cause a refusal?
Does he need to explain the financial transfers and dual employment in detail?
Will the system flag the old 2-day overstay even though he was never fined?
Does the birthplace mismatch require a new passport before applying?
If anyone has gone through something similar or knows how this might be evaluated, any insights would really help.