Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> b2ded7b3c4ec34470a0fc1d1743abebb545b9fcc192419aecd2bdc113a0d1743:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^