Fatal error: Allowed memory size of 1610612736 bytes exhausted (tried to allocate 4096 bytes) in /var/www/contractsystem/html/vendor/symfony/flex/src/Cache.php on line 50 code example

Example 1: Allowed memory size of 1610612736 bytes exhausted

export COMPOSER_MEMORY_LIMIT=-1

Example 2: Fatal error: Allowed memory size of 1610612736 bytes exhausted

Fatal error: Allowed memory size of 1610612736 bytes exhausted

export COMPOSER_MEMORY_LIMIT=-1
and restart composer update