Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7e6a60a3dc3743fc922c4711515e9d9aeba1f735da3f7c562c8d05d9791b38d6:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^