Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7e388275e5860e9df87f9dc2a0cf79df07c08046f595fd8f0523badfaab59f9d:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^