The Factor 1 length entry is not valid; defaults to blanks.
20
Cause . . . . . : For the SCAN operation, the Factor 1 compare string may be qualified by a length entry. The Factor 1 length entry consists of a colon followed by a numeric literal, field, subfield, table, or indexed array. The array index, if specified, must be a numeric literal, field, or subfield. The length must be non-zero and positive. The length plus the start position must be less than or equal to the length of the base string.
Recovery . . . : Specify a valid Factor 1 length entry. Compile again.
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