Informix Error -4387: The right margin must be greater than the left margin.

Cause and resolution

The right margin must be greater than the left margin.

If the right margin of a report were no greater than the left margin, there would be no room on each line for data. Check both MARGIN statements in the OUTPUT section for reasonable values.

Oninit® Troubleshooting Guidance

Reasons / Common Causes

-4387 fires when a report's right margin isn't greater than its left margin — per the official guidance, this would leave no room on each line for data.

A report's MARGIN statements specifying a right margin no greater than the left margin, per the official guidance — the direct, only cause.

Solutions / Resolution

Check both MARGIN statements in the OUTPUT section for reasonable values, per the official guidance.

Examples

An invalid margin pair

OUTPUT
  LEFT MARGIN 10
  RIGHT MARGIN 5
  -- -4387: right margin must be greater than left margin

Corrected

OUTPUT
  LEFT MARGIN 5
  RIGHT MARGIN 80

Diagnostic Checks

Check the report's LEFT MARGIN/RIGHT MARGIN values, and confirm the right margin is genuinely greater than the left.

Related Errors / Related Topics

No closely related error codes are cross-referenced for -4387 in this set yet.

A report's right margin isn't greater than its left margin — correct the MARGIN values.