Can't able to run on the iOS simulator

[punurumalli]

Error (Xcode): Interrupted

Error (Xcode): Undefined symbol: leveldb::WriteBatch::WriteBatch()

Error (Xcode): Undefined symbol: leveldb::WriteBatch::Put(leveldb::Slice const&, leveldb::Slice const&)

Error (Xcode): Undefined symbol: leveldb::WriteBatch::~WriteBatch()

Error (Xcode): Undefined symbol: leveldb::Status::Status(leveldb::Status::Code, leveldb::Slice const&, leveldb::Slice const&)

Error (Xcode): Undefined symbol: leveldb::Options::Options()

Error (Xcode): Undefined symbol: leveldb::WriteBatch::Delete(leveldb::Slice const&)

Error (Xcode): Undefined symbol: leveldb::DB::Open(leveldb::Options const&, std::__1::basic_string<char, std::__1::char_traits,
std::__1::allocator > const&, leveldb::DB**)

Error (Xcode): Undefined symbol: leveldb::Status::ToString() const

Could not build the application for the simulator.
Error launching application on iPhone 12.