Well_4_in_1_(Multi)[Unknown][AB18404][Hero_Soccer_3] pass 1

game
  crc: 0fcbc757
  title: Well_4_in_1_(Multi)[Unknown][AB18404][Hero_Soccer_3]
  board: 52
    mirror: 1
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper


Well_4_in_1_(Multi)[Unknown][AB18404][Hero_Soccer_3] pass 2

game
  crc: 0fcbc757
  title: Well_4_in_1_(Multi)[Unknown][AB18404][Hero_Soccer_3]
  board: 52
    mirror: 1
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper


Well_4_in_1_(Multi)[Unknown][AB18404][Hero_Soccer_3] pass 3

game
  crc: 0fcbc757
  title: Well_4_in_1_(Multi)[Unknown][AB18404][Hero_Soccer_3]
  board: 52
    mirror: 1
    memory
      type: ROM
      size: 0x80000
      content: Program
    memory
      type: ROM
      size: 0x80000
      content: Character

E: Mapper: 52

ERROR:  Unsupported mapper