Bugs/CTDs in my scenario

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I opened this thread to present some strange bugs (that I remove every time) that cause strange CTDs.
Thx for any post about a possible solution about them.

 

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tag = U04 (Amazonas)
minister = {
name = ""
id = { type = 0 id = 0 }
ADM = 0
DIP = 0
MIL = 0
}

 

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tag = PIR
navalunit = {
id = { type = 4712 id = 6570544 }
name = "Syr Darya River Fleet"
location = 846
date = { year = 1520 month = april day = 13 }
development = no
morale = 2.975
warships = 4.000
galleys = 0.000
transports = 0.000
port = { year = 1519 month = june day = 13 }
}

 

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tag = MER
landunit = {
id = { type = 4712 id = 5030057 }
name = "Lazio Regiment"
location = 0
date = { year = 1500 month = december day = 0 }
development = no
morale = 2.825
inf = 7000.000
cav = 1000.000
art = 0.000
}

 

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tag = PIR
relation = { tag = EIR value = -200.000 casusbelli = { type = permanent expirydate = { year = 1593 month = october day = 17 } } }

 

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tag = U04
historicalmonarch = {
id = { type = 0 id = 0 }
name = ""
category = monarch
rank = 100
startdate = { year = 0 month = january day = 0 }
deathdate = { year = 0 month = january day = 0 }
ADM = 3
DIP = 3
MIL = 3
}

 

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Roman E. (BYZ) takes many (!) loans with amount = 0d .

 

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There are no harbours in those provs, but:
navalunit = {
id = { type = 4712 id = 1220842 }
name = "Samoyede Fleet"
location = 1461
date = { year = 1445 month = october day = 23 }
development = no
morale = 1.625
warships = 0.000
galleys = 0.000
transports = 1.000
}
navalunit = {
id = { type = 4712 id = 1274899 }
name = "Arkhangelsk Fleet"
location = 269
date = { year = 1446 month = october day = 0 }
development = no
morale = 1.625
warships = 2.000
galleys = 0.000
transports = 0.000
}