MT5 · Runtime errors
MT5 4004 · Not enough memory to perform the system function | YI GOLD
ERR_NOT_ENOUGH_MEMORY
Official meaning
Not enough memory to perform the system function
Possible causes · YI GOLD suggestions
Available memory or call stack is insufficient, or recursion and buffers are excessive.
Troubleshooting · YI GOLD suggestions
Reduce recursion and large local arrays, review allocation/release, batch history processing and check memory-operation results.