All problems
TMKR-3002
Error
Customer
Invalid server address
MetaTrader reported the TheMarketRobo address as invalid (MQL error 5200).Connectivity & terminal settings•Also known as: SERVER_ADDRESS_INVALID, 5200
Symptoms
Alert: "Cannot connect: the server address is invalid. Please contact support."
Experts log: "WebRequest failed. Error code: 5200".
Causes
A DNS or hosts-file override is redirecting the domain.
A typo was introduced into the WebRequest URL list.
How to fix it
1
Check the whitelisted URLIn Tools > Options > Expert Advisors, confirm the URL is exactly the one below with no typos.https://api.themarketrobo.com
2
Check DNS / hosts fileMake sure no VPN, proxy, or hosts-file entry is rewriting themarketrobo.com. If the problem persists, contact support.