MT4 debugging guides
Debug MT4 EA blockers with the smallest reproducible evidence.
This cluster is for MT4 builders who need order, magic-number, migration, and tester issues separated before rewriting the EA.
Cluster guides
Open the narrow guide before changing code.
Each guide links back to a matching Workfusionapp workflow so readers can move from search intent to a concrete diagnostic step.
mt4 ea debugger
Fix OrderSend error 130 in MQL4
Diagnose invalid stops, stop level, digits, and price normalization issues behind MQL4 OrderSend error 130.
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mt4 ea debugger
MQL4 to MQL5 migration checklist
A practical checklist for moving Expert Advisor logic from MT4 to MT5 without breaking order handling.
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mt4 ea debugger
MT4 EA magic number and order management
Use magic numbers, symbol filters, and order loops correctly in MQL4 Expert Advisors.
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mt4 ea debugger
MQL4 compile errors cheat sheet
A quick guide to common MQL4 compile errors and the structural fixes to try first.
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mt4 ea debugger
Debug an EA that opens too many trades
Find duplicate-entry, missing cooldown, magic number, and signal-state issues in an EA that overtrades.
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Related diagnostic tools
Use the page that matches the first blocker.
These tool pages keep the cluster connected to concrete free-desk workflows and reduce orphaned SEO paths.
Optional follow-up
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Open the free desk first. Opt in only if a guide in this cluster matches an active EA build, compiler, risk, or review blocker.
Run free deskMT4 debugging guides follow-up
Consent-gated only. Send the smallest reproducible blocker and keep broker access, trading credentials, and performance claims out of the request.
Lead activation handoff
No email wait is required. After saving the opt-in, continue into the free desk with the same blocker so the visitor-to-lead-to-workflow path is measurable.
Continue in free deskChoose the workflow you want, then opt in only if you want Workfusionapp updates.