Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> e70db3d0deab5eb59b3e4dad0dcdb4272865e66ccb8f542cbff9e6783aa1e892:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^