compiling this:

265 // @Test: CalculateAge
266 define Years: AgeInYears()
267 define Months: AgeInMonths()
268 define Days: AgeInDays()
269 define Hours: AgeInHours()
270 define Minutes: AgeInMinutes()
271 define Seconds: AgeInSeconds()
272
273 define Age:
274 AgeInYearsAt(start of age_MeasurementPeriod)
275
276 // @Test: CalculateAgeAt
277 define AgeAt2012: AgeInYearsAt(DateTime(2012))
278 define AgeAt19810216: AgeInYearsAt(DateTime(1981, 2, 16))
279 define AgeAt1975: AgeInYearsAt(DateTime(1975))

i get:

[266:15, 266:26] Internal translator error.
[267:16, 267:28] Internal translator error.
[268:14, 268:24] Internal translator error.
[269:15, 269:26] Internal translator error.
[270:17, 270:30] Internal translator error.
[271:17, 271:30] Internal translator error.
[274:3, 274:46] Internal translator error.
[277:19, 277:46] Internal translator error.
[278:23, 278:57] Internal translator error.
[279:19, 279:46] Internal translator error.

is this known?