Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6e68ef18633c2c258344d57e3013438b359001caec9958a6e2ebbb1682749bba:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^