Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 93cd394912355fae599a17c29e606816e980c78dacdbc55d6973d590d5d72d1a:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^