Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> a65ad3e500c5be359913fdaa97f2eecf8023d712e8ead54a6d4ca37f19dfea03:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^