# Besoin d'aide pour l'installation de mautic

**URL:** <https://forum.mautic.org/t/besoin-daide-pour-linstallation-de-mautic/18435>\
**Category:** Product Support\
**Created:** [March 4, 2021, 12:00pm UTC](https://forum.mautic.org/t/besoin-daide-pour-linstallation-de-mautic/18435 "2021-03-04T12:00:09Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![emma01](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/emma01/32/619_2.png) [@emma01](https://forum.mautic.org/u/emma01)\
**Post date:** [March 4, 2021, 12:00pm UTC](https://forum.mautic.org/t/besoin-daide-pour-linstallation-de-mautic/18435/1 "2021-03-04T12:00:09Z")

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**Your software**  
My Mautic version is: 3  
My PHP version is: 7.2  
My Database type and version is: mysql version 5.7

**Your problem**  
My problem is: An error occurred while attempting to add default data: An exception occurred while executing ‘CREATE INDEX instagram\_search ON leads (instagram)’: SQLSTATE[42000]: Syntax error or access violation: 1118 Row size too large. The maximum row size for the used table type, not counting BLOBs, is 8126. This includes storage overhead, check the manual. You have to change some columns to TEXT or BLOBs

These errors are showing in the log:

Steps I have tried to fix the problem: