REBOL 3 Docs Guide Concepts Functions Datatypes Errors
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REBOL 3 Errors: needs

Indicates that to run a program, some resource requirement cannot be met.


["this script needs" :arg1 :arg2 "or better to run correctly"]


The needs field of a program's header indicates its requirements. If this error occurs, examine its header (plain text) to see determine the problem.

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