# Subscript indices must either be real positive integers or l

**URL:** https://forum.dynare.org/t/subscript-indices-must-either-be-real-positive-integers-or-l/776
**Category:** Dynare help (legacy posts)
**Created:** [7 August 2008 16:38 UTC](https://forum.dynare.org/t/subscript-indices-must-either-be-real-positive-integers-or-l/776 "2008-08-07T16:38:34Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![amoscp2002](https://forum.dynare.org/letter_avatar_proxy/v4/letter/a/a587f6/32.png) [@amoscp2002](https://forum.dynare.org/u/amoscp2002)
#### Post date: [7 August 2008 16:38 UTC](https://forum.dynare.org/t/subscript-indices-must-either-be-real-positive-integers-or-l/776/1 "2008-08-07T16:38:34Z")

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I keep getting the following error message “subscript indices must either be real positive integers or logicals”. I am trying to solve a small open economy model and have attached the file. Any help would be greatly appreciated. 🙂  
[jmp1.mod](https://forum.dynare.org/uploads/default/original/1X/e784b7e8865ab3ace82b34fdad0fee47038d473e.mod) (3.39 KB)