Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30bf37ac787e6a4ccec0f30ceb01f6d65c19bcc6ca54584320e66897d35c58f8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^