fengMap Hummingbird free map reports an error: Uncaught Error: invalid wire type xx at offset xx

Table of contents

1. Problems

 2. Reasons and solutions

3. Summary

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tips: If you find it cumbersome, just read the summary

1. Problems

1. When loading the free map provided by Hummingbird, an error has been reported, and the map cannot be loaded normally:

1)具体错误：ngmap.map.min.js:1104 Uncaught Error: invalid wire type 7 at offset 47
    at u.skipType (fengmap.map.min.js:1104:1)
    at b.Scene$decode [as decode] (eval at h (fengmap.map.min.js:1:1), <anonymous>:96:5)
    at b.decod