Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6d1fbf30bdf11e8cdd7a93d00c3123be6866476f2f7f0148bf89dec5ba99cfc5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^