fields too many ? bug about crystal-mysql HOT 7 CLOSED

Unexpected EOF (Exception)
0x531cc7: *CallStack::unwind:Array(Pointer(Void)) at ??
0x65aa5c: read_byte! at /home/ayam/Documents/kafarahapp/educode/lib/mysql/src/mysql/read_packet.cr 40:18
0x65abde: read_int at /home/ayam/Documents/kafarahapp/educode/lib/mysql/src/mysql/read_packet.cr 65:5
0x6c42d2: read at /home/ayam/Documents/kafarahapp/educode/lib/mysql/src/mysql/packets.cr 13:7
0x6bafb9: read_packet at /home/ayam/Documents/kafarahapp/educode/lib/mysql/src/mysql/connection.cr 63:14
0x6bab01: initialize at /home/ayam/Documents/kafarahapp/educode/lib/mysql/src/mysql/connection.cr 22:19
0x6ba80f: new at /home/ayam/Documents/kafarahapp/educode/lib/mysql/src/mysql/connection.cr 4:3
0x6ba77d: build_connection at /home/ayam/Documents/kafarahapp/educode/lib/mysql/src/mysql/driver.cr 4:5
0x6c7880: build_resource at /home/ayam/Documents/kafarahapp/educode/lib/db/src/db/pool.cr 255:3
0x6c77f6: initialize at /home/ayam/Documents/kafarahapp/educode/lib/db/src/db/pool.cr 17:34
0x6c64ac: *DB::Pool(T)::new:initial_pool_size:max_pool_size:max_idle_pool_size:checkout_timeout:retry_attempts:retry_delay<Int32, Int32, Int32, Float64, Int32, Float64, &Proc(DB::Connection+)>:DB::Pool(DB::Connection+) at ??
0x6b6a42: initialize at /home/ayam/Documents/kafarahapp/educode/lib/db/src/db/database.cr 50:7
0x6b684d: new at /home/ayam/Documents/kafarahapp/educode/lib/db/src/db/database.cr 43:5
0x6af506: build_database at /home/ayam/Documents/kafarahapp/educode/lib/db/src/db.cr 140:5
0x6af4ee: build_database at /home/ayam/Documents/kafarahapp/educode/lib/db/src/db.cr 136:5
0x6af4d6: open at /home/ayam/Documents/kafarahapp/educode/lib/db/src/db.cr 104:5
0x4ebf16: __crystal_main at /home/ayam/Documents/kafarahapp/educode/src/educode.cr 16:1
0x4ffdf9: main at /opt/crystal/src/main.cr 12:15
0x7f80b6f04830: __libc_start_main at ??
0x4ea489: _start at ??
0x0: ??? at ??