Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 28c36acfd797b958d0c208df6ef8e9ef72e8f3325f0ad9921e7ae8322685a57d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^