1Error: an error!
2    at functionD (*enclosing-call-site.js:16:17)
3    at functionC (*enclosing-call-site.js:10:3)
4    at functionB (*enclosing-call-site.js:6:3)
5    at functionA (*enclosing-call-site.js:2:3)
6    at Object.<anonymous> (*enclosing-call-site.js:24:3)
7Error: an error!
8    at functionD (*enclosing-call-site-min.js:1:156)
9    at functionC (*enclosing-call-site-min.js:1:97)
10    at functionB (*enclosing-call-site-min.js:1:60)
11    at functionA (*enclosing-call-site-min.js:1:26)
12    at Object.<anonymous> (*enclosing-call-site-min.js:1:199)
13