Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0160e7101f1375c12ecc87d9234b3359247335f6004c58ea1d8a68f7aff43c5c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^