Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1e35a6d1349178152f311f8f92d8e0e9ceecf8ac3b1937c7147716774bfaeb30:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^