Fatal error: Allowed memory size of 1610612736 bytes exhausted but already allocated 1.75G

Running this command fixed it for me

php -d memory_limit=-1 /usr/local/bin/composer install

In my case with Xampp with Windows 10

i just changed:

;memory_limit=512M

by commenting this configuration, in php.ini to:

memory_limit =-1

then restart the Apache by xampp

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Update Composer to version 2 and it will resolve this issue automatically.

composer self-update --2

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