# Engine error: setuparray\_R: array prop ‘(null)’ is at index zero

**URL:** <https://forums.sourceruns.org/t/engine-error-setuparray-r-array-prop-null-is-at-index-zero/3500>\
**Category:** Half-Life 2\
**Created:** [November 6, 2019, 6:35pm UTC](https://forums.sourceruns.org/t/engine-error-setuparray-r-array-prop-null-is-at-index-zero/3500 "2019-11-06T18:35:26Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![WasherMan3000](https://b-cdn.sourceruns.org/user_avatar/forums.sourceruns.org/washerman3000/32/506_2.png) [@WasherMan3000](https://forums.sourceruns.org/u/WasherMan3000)\
**Post date:** [November 6, 2019, 6:35pm UTC](https://forums.sourceruns.org/t/engine-error-setuparray-r-array-prop-null-is-at-index-zero/3500/1 "2019-11-06T18:35:26Z")

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![image](https://forum-content.sourceruns.org/original/1X/bef961b6b4a89e9ca8b4a852cd1addc57da5e7c8.png)

i try to start old HL2 episode 2/1 it just pops up engine error, setuparray\_R: array prop ‘(null)’ is at index zero.

plz help

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**Author:** ![Cameron\_D](https://b-cdn.sourceruns.org/user_avatar/forums.sourceruns.org/cameron_d/32/251_2.png) [@Cameron\_D](https://forums.sourceruns.org/u/Cameron_D)\
**Post date:** [November 16, 2019, 7:02am UTC](https://forums.sourceruns.org/t/engine-error-setuparray-r-array-prop-null-is-at-index-zero/3500/2 "2019-11-16T07:02:01Z")

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I’m assuming you’re using one of the old version unpacks? Which version are you using and how are you launching it?