Unable to create a new workout from import ERG file method

Im getting an error when import via copying an ERG file to create a new workout. Error is saying that its not a valid file when it has worked previously with the same format.

[COURSE HEADER]
VERSION = 2
UNITS = ENGLISH
DESCRIPTION = SUFFERFEST - ISLAGIATT
FILE NAME = ISLAGIATT.ERG
MINUTES WATTS
[END COURSE HEADER]
[COURSE DATA]
0.00 120
5.10 120
5.10 151
7.08 151
7.08 120
7.60 120
7.60 213
9.62 213
9.62 120
10.25 120
10.25 228
11.13 228
11.13 228
11.98 228
11.98 120
12.78 120
12.78 243
14.63 243
14.63 120
15.18 120
15.18 259
17.12 259
17.12 120
20.13 120
20.13 213
21.00 213
21.00 243
22.78 243
22.78 259
23.37 259
23.37 213
24.97 213
24.97 305
25.47 305
25.47 243
28.20 243
28.20 336
28.47 336
28.47 274
28.78 274
28.78 213
29.47 213
29.47 243
29.72 243
29.72 213
30.23 213
30.23 243
31.15 243
31.15 228
31.97 228
31.97 243
35.05 243
35.05 120
38.10 120
38.10 290
39.50 290
39.50 274
40.97 274
40.97 336
41.17 336
41.17 243
41.87 243
41.87 259
42.67 259
42.67 336
42.83 336
42.83 243
44.08 243
44.08 259
44.28 259
44.28 243
45.42 243
45.42 259
45.72 259
45.72 243
48.68 243
48.68 228
49.57 228
49.57 274
50.40 274
50.40 243
53.15 243
53.15 290
53.25 290
53.25 274
53.55 274
53.55 259
54.45 259
54.45 259
55.25 259
55.25 243
55.58 243
55.58 274
55.90 274
55.90 305
56.02 305
56.02 259
58.05 259
58.05 120
63.07 120
63.07 243
66.28 243
66.28 274
67.03 274
67.03 243
70.03 243
70.03 336
70.38 336
70.38 259
71.52 259
71.52 267
71.78 267
71.78 243
72.15 243
72.15 251
72.62 251
72.62 243
74.53 243
74.53 251
75.75 251
75.75 182
76.18 182
76.18 228
76.63 228
76.63 305
77.13 305
77.13 243
78.15 243
78.15 259
80.82 259
80.82 267
81.82 267
81.82 274
82.53 274
82.53 290
83.07 290
83.07 151
84.22 151
84.22 182
85.00 182
85.00 228
85.52 228
85.52 151
85.92 151
85.92 182
89.50 182
89.50 228
90.02 228
90.02 120
91.27 120
91.27 243
91.68 243
91.68 336
92.02 336
92.02 274
92.70 274
92.70 259
94.22 259
94.22 228
94.73 228
94.73 274
95.48 274
95.48 228
95.67 228
95.67 274
96.48 274
96.48 243
97.15 243
97.15 274
97.48 274
97.48 274
97.77 274
97.77 228
97.93 228
97.93 274
98.22 274
98.22 228
98.43 228
98.43 274
98.78 274
98.78 305
99.05 305
99.05 274
99.57 274
99.57 120
101.73 120
101.73 182
102.03 182
102.03 151
102.67 151
102.67 228
103.03 228
103.03 151
103.98 151
103.98 305
104.23 305
104.23 151
104.38 151
104.38 274
104.58 274
104.58 182
104.87 182
104.87 259
105.25 259
105.25 274
105.42 274
105.42 182
106.00 182
106.00 274
106.37 274
106.37 182
106.47 182
106.47 305
106.85 305
106.85 182
107.03 182
107.03 274
108.50 274
108.50 182
109.33 182
109.33 243
109.55 243
109.55 336
109.80 336
109.80 120
110.83 120
110.83 120
114.83 120
[END COURSE DATA]