# NAS Crashing

**URL:** <https://www.dynamicsuser.net/t/nas-crashing/12019>\
**Category:** Technical Forum\
**Created:** [March 31, 2003, 9:50am UTC](https://www.dynamicsuser.net/t/nas-crashing/12019 "2003-03-31T09:50:06Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![lars\_westman](https://avatars.discourse-cdn.com/v4/letter/l/e47774/32.png) [@lars\_westman](https://www.dynamicsuser.net/u/lars_westman)\
**Post date:** [March 31, 2003, 9:50am UTC](https://www.dynamicsuser.net/t/nas-crashing/12019/1 "2003-03-31T09:50:06Z")

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I have a problem with Dr. Watson when starting NAS. All parameters is correct and it doesn’t matter if I run as a service or from a command prompt. I only get the first lines with Navisions company name and then Dr. Watsen leaves a message in the event log. It’s 3.60 on w2k with SQL2000 SP3 Any ideas? /Lars

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**Author:** ![lars\_westman](https://avatars.discourse-cdn.com/v4/letter/l/e47774/32.png) [@lars\_westman](https://www.dynamicsuser.net/u/lars_westman)\
**Post date:** [March 31, 2003, 10:31pm UTC](https://www.dynamicsuser.net/t/nas-crashing/12019/2 "2003-03-31T22:31:46Z")

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Solved! Two problems: The single instance codeunit I was calling was declared as a global. That didn’t work for some strange reason. After moving the variables I used in codeunit 1 to locals I started to get resonable error messages instead of just a crasch. Second I was running as a user which was SUPER in the current company. After modifying the roles on the user so he (or maybe it’s a she?) had SUPER in all companies it worked. /Lars

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**Author:** ![CMGW](https://avatars.discourse-cdn.com/v4/letter/c/ba9def/32.png) [@CMGW](https://www.dynamicsuser.net/u/CMGW)\
**Post date:** [April 11, 2003, 3:29pm UTC](https://www.dynamicsuser.net/t/nas-crashing/12019/3 "2003-04-11T15:29:45Z")

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Lars. The following question & answer was posted to the Navision Partner Network FAQ site. It might explain the issue you were having with declaring the single instance codeunit variable… “Subject: Variables Assigned to a Single Instance Codeunit Must Be Declared as “Local Variables.” Question: Must I always declare variables assigned to a single-instance codeunit as ‘local variables’ ? — Answer: Yes. If a variable is declared as a global variable, some triggers may call the CLEARALL function, which clears all global variables. This will clear the variable even if it points to a single-instance codeunit.” Chris.