Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 90e17bd7d996a573eea5c894487cfd472c6d6b29c7eb0d7a13a8edfdb0856a35:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^