# 100% Rejected solutions VEGA 56 plugin\_name = "ocl\_cuckaroo"

**URL:** <https://forum.grin.mw/t/100-rejected-solutions-vega-56-plugin-name-ocl-cuckaroo/5604>\
**Category:** Tech Support\
**Created:** [July 18, 2019, 9:28pm UTC](https://forum.grin.mw/t/100-rejected-solutions-vega-56-plugin-name-ocl-cuckaroo/5604 "2019-07-18T21:28:44Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![babaji](https://yyz2.discourse-cdn.com/flex036/user_avatar/forum.grin.mw/babaji/32/1098_2.png) [@babaji](https://forum.grin.mw/u/babaji)\
**Post date:** [July 18, 2019, 9:28pm UTC](https://forum.grin.mw/t/100-rejected-solutions-vega-56-plugin-name-ocl-cuckaroo/5604/1 "2019-07-18T21:28:44Z")

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since upgrading this morning the instance of grin-miner running my vega 56 card is having all of it;s solutions rejected

here is my config

```
# mean OpenCL supports both NVidia and AMD
# to install run ./install_ocl_plugins.sh script
[[mining.miner_plugin_config]]
plugin_name = "ocl_cuckaroo"
#[mining.miner_plugin_config.parameters]
# 0 for default, 1 for AMD, 2 for NVidia, specify if you have
# cards from both vendors
platform = 1
# ID withing the platform
device = 0

```

don’t know what is wrong – please help - v 2.0.0

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**Author:** ![tromp](https://yyz2.discourse-cdn.com/flex036/user_avatar/forum.grin.mw/tromp/32/22_2.png) [@tromp](https://forum.grin.mw/u/tromp)\
**Post date:** [July 18, 2019, 10:09pm UTC](https://forum.grin.mw/t/100-rejected-solutions-vega-56-plugin-name-ocl-cuckaroo/5604/2 "2019-07-18T22:09:19Z")

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> [@babaji](#):
>
> what is wrong

You’re running cuckaroo while the network has hard-forked to cuckarood. Unfortunately, grin-miner only has a CUDA plugin for cuckarood, so you’ll need to switch to a 3rd party miner.  
Or mine the other PoW of cuckaroo31…

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<div class="post-metadata">

**Author:** ![babaji](https://yyz2.discourse-cdn.com/flex036/user_avatar/forum.grin.mw/babaji/32/1098_2.png) [@babaji](https://forum.grin.mw/u/babaji)\
**Post date:** [July 18, 2019, 11:08pm UTC](https://forum.grin.mw/t/100-rejected-solutions-vega-56-plugin-name-ocl-cuckaroo/5604/3 "2019-07-18T23:08:43Z")

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thanks tromp that explains it