Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cd2f3a481d6c4301b431b2b840ff9f6d9321581d21d39bba5cd467b4d87656be:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^