Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1f3fdad8d4b374704ae89c27aab065fe9bb185533bde9b8fe580d4dd914f4886:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^