Allowed memory size of 134217728 bytes exhausted (tried to allocate 462748680 bytes) 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