Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7fb833fd8395850f20dc82c88fb1c10deb206e59569a10765f69fd6a6e8cba2c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^