this is the error --------------
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C:\Users\golzmanpc\Desktop\addons\amxmodx\scr ipting\include\engine.inc(1022) : error 017: undefined symbol "NULL_VECTOR"
1 Error.
Could not locate output file C:\Users\golzmanpc\Desktop\rqblockmaker.amx (compile failed).
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this is the code---
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thanks for helpersssss