Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bbb936dd5d193c70737c69b917d4898f1480a97f54d6ab89d88c89ef9f6cb668:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^