Error message

• Deprecated function: Return type of DBObject::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 7 of sites/all/modules/eck/eck.classes.inc).
• Deprecated function: Return type of DBObject::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 7 of sites/all/modules/eck/eck.classes.inc).
• Deprecated function: Return type of DBObject::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 7 of sites/all/modules/eck/eck.classes.inc).
• Deprecated function: Return type of DBObject::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 7 of sites/all/modules/eck/eck.classes.inc).
• Deprecated function: Return type of DBObject::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 7 of sites/all/modules/eck/eck.classes.inc).