# Upload of modified file in vrm portal does not work despite same file name: error mk2vsc-46

**URL:** <https://community.victronenergy.com/t/upload-of-modified-file-in-vrm-portal-does-not-work-despite-same-file-name-error-mk2vsc-46/15931>\
**Category:** Q&A and troubleshooting\
**Tags:** vrm, multiplus-ii, diy, ess\
**Created:** [19 December 2024 12:47 UTC](https://community.victronenergy.com/t/upload-of-modified-file-in-vrm-portal-does-not-work-despite-same-file-name-error-mk2vsc-46/15931 "2024-12-19T12:47:30Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Alex\_Mo](https://avatars.discourse-cdn.com/v4/letter/a/6a8cbe/32.png) [@Alex\_Mo](https://community.victronenergy.com/u/Alex_Mo)\
**Post date:** [19 December 2024 13:17 UTC](https://community.victronenergy.com/t/upload-of-modified-file-in-vrm-portal-does-not-work-despite-same-file-name-error-mk2vsc-46/15931/3 "2024-12-19T13:17:57Z")

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> [@Error mk2vsc-46 during upload in VRM Portal after using VEConfigure3](https://community.victronenergy.com/t/error-mk2vsc-46-during-upload-in-vrm-portal-after-using-veconfigure3/13728):
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> Hello everybody, I have an issue updating the config of my MultiPlus-II. I would like to add ESS feature to the MultiPlus-II. But I get already some basic errors doing just download and upload. My system is new and is very basic. 1 x MultiPlus-II 48/5000/70-48 with firmware 552 1 x Gateway Cerbo GX MK2 wih firmware v3.52 2 x Pylontech battery BMS VRM instance 512 1 x EM24 grid energy meter firmware 1.8.3 Used Remote VEConfigure to download the MultiPlus-II 48/5000/70-50 (com.victronener…

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