Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c4e9b44d0a12fbcaad86786ffca9813e9ab8af1fa3153d66d11db1155546fdfa:14:28
   |
14 |                             let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^