Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 30a591014771da3b5c9b4791dd8115811aec809524d4b5808c53481dfa86a043:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^