Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4a6cadd6609175cf0fbac560ce398a86f25aa2954384a9056ce099011bca28c3:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^