Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6870baa4b554beaab8adb4caf0d0b4e53f5de99e0a4500b40ca6f7db636c6d50:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^