hello to all I hope you are well so after installation I just had these errors
Deprecated: Return type of CodeIgniter\Cookie\Cookie:

ffsetExists($offset) should either be compatible with ArrayAccess:

ffsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in
/home/u258217/domains/xxxxxxx/system/Cookie/Cookie.php on line
583
Deprecated: Return type of CodeIgniter\Cookie\Cookie:

ffsetGet($offset) should either be compatible with ArrayAccess:

ffsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in
/home/u258269517/domains/xxxxxx/system/Cookie/Cookie.php on line
597
Deprecated: Return type of CodeIgniter\Cookie\Cookie:

ffsetSet($offset, $value) should either be compatible with ArrayAccess:

ffsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in
/home/u258217/domains/xxxxxxx/system/Cookie/Cookie.php on line
617
Deprecated: Return type of CodeIgniter\Cookie\Cookie:

ffsetUnset($offset) should either be compatible with ArrayAccess:

ffsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in
/home/u258267/domains/xxxxxx/system/Cookie/Cookie.php on line
631
Deprecated: Return type of CodeIgniter\Cookie\CookieStore::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in
/home/u258517/domains/xxxxxxx/system/Cookie/CookieStore.php on line
247
Fatal error: Uncaught ErrorException: Cannot modify header information - headers already sent by (output started at /home/u2582/xxxxxxx/public_html/sale/app/Config/Events.php:35) in /home/u258269517/domains/xxxxxxxxxxxsystem/Debug/Exceptions.php:137 Stack trace: #0 [internal function]: CodeIgniter\Debug\Exceptions->errorHandler() #1 /home/u2517/domains/xxxxxxxx/system/Debug/Exceptions.php(137): header() #2 [internal function]: CodeIgniter\Debug\Exceptions->exceptionHandler() #3 {main} thrown in
/home/u2582/domains/system/Debug/Exceptions.php on line
137
I did some research but it did not give anything, if someone can help me please
thanks