# Out of Memory Java related error

**URL:** <https://forum.itascainternational.com/t/out-of-memory-java-related-error/107>\
**Category:** FLAC\
**Tags:** faq\
**Created:** [September 21, 2021, 9:50pm UTC](https://forum.itascainternational.com/t/out-of-memory-java-related-error/107 "2021-09-21T21:50:15Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jwang](https://avatars.discourse-cdn.com/v4/letter/j/b782af/32.png) [@jwang](https://forum.itascainternational.com/u/jwang)\
**Post date:** [September 21, 2021, 9:50pm UTC](https://forum.itascainternational.com/t/out-of-memory-java-related-error/107/1 "2021-09-21T21:50:15Z")

</div>

The following Java error may show up when running very large model with many history plots created in GUI  
 ![image](https://canada1.discourse-cdn.com/flex031/uploads/itasca/original/1X/00350d10b12edbf04ce164d0088662af5ed47d79.png)

To fix this issue, in FLAC8.1 just go to File-\>Memory settings, increase the GUI memory.:  
 ![image](https://canada1.discourse-cdn.com/flex031/uploads/itasca/original/1X/a9f1b3582433a6151ddf07596ea614881378341e.png)

In FLAC8 and previous versions, use command: set maxgiicmem xxx, hit Enter button and then type q to quit FLAC and then restart FLAC.