Unexpected Application Error!

a.map is not a function

TypeError: a.map is not a function
    at wS (https://tianlongcnc.com/assets/index-O-Obzw2W.js:76:112218)
    at ec (https://tianlongcnc.com/assets/index-O-Obzw2W.js:38:17007)
    at Xp (https://tianlongcnc.com/assets/index-O-Obzw2W.js:40:43963)
    at Gp (https://tianlongcnc.com/assets/index-O-Obzw2W.js:40:39727)
    at m0 (https://tianlongcnc.com/assets/index-O-Obzw2W.js:40:39655)
    at rs (https://tianlongcnc.com/assets/index-O-Obzw2W.js:40:39508)
    at cl (https://tianlongcnc.com/assets/index-O-Obzw2W.js:40:35875)
    at Bp (https://tianlongcnc.com/assets/index-O-Obzw2W.js:40:34826)
    at b (https://tianlongcnc.com/assets/index-O-Obzw2W.js:25:1562)
    at MessagePort.H (https://tianlongcnc.com/assets/index-O-Obzw2W.js:25:1929)