Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> acb438422baf4f89834510fcda69f47ce3c87bcf18d236b4e94d4fee072e0336:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^